508163840

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 1304202816

約数和(自身を除く): 796038976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 64, 80, 82, 92, 115, 128, 160, 164, 184, 205, 230, 256, 320, 328, 368, 410, 421, 460, 640, 656, 736, 820, 842, 920, 943, 1280, 1312, 1472, 1640, 1684, 1840, 1886, 2105, 2624, 2944, 3280, 3368, 3680, 3772, 4210, 4715, 5248, 5888, 6560, 6736, 7360, 7544, 8420, 9430, 9683, 10496, 13120, 13472, 14720, 15088, 16840, 17261, 18860, 19366, 26240, 26944, 29440, 30176, 33680, 34522, 37720, 38732, 48415, 52480, 53888, 60352, 67360, 69044, 75440, 77464, 86305, 96830, 107776, 120704, 134720, 138088, 150880, 154928, 172610, 193660, 241408, 269440, 276176, 301760, 309856, 345220, 387320, 397003, 538880, 552352, 603520, 619712, 690440, 774640, 794006, 1104704, 1207040, 1239424, 1380880, 1549280, 1588012, 1985015, 2209408, 2478848, 2761760, 3098560, 3176024, 3970030, 4418816, 5523520, 6197120, 6352048, 7940060, 11047040, 12394240, 12704096, 15880120, 22094080, 25408192, 31760240, 50816384, 63520480, 101632768, 127040960, 254081920, 508163840]

約数ペア:

[(1, 508163840), (2, 254081920), (4, 127040960), (5, 101632768), (8, 63520480), (10, 50816384), (16, 31760240), (20, 25408192), (23, 22094080), (32, 15880120), (40, 12704096), (41, 12394240), (46, 11047040), (64, 7940060), (80, 6352048), (82, 6197120), (92, 5523520), (115, 4418816), (128, 3970030), (160, 3176024), (164, 3098560), (184, 2761760), (205, 2478848), (230, 2209408), (256, 1985015), (320, 1588012), (328, 1549280), (368, 1380880), (410, 1239424), (421, 1207040), (460, 1104704), (640, 794006), (656, 774640), (736, 690440), (820, 619712), (842, 603520), (920, 552352), (943, 538880), (1280, 397003), (1312, 387320), (1472, 345220), (1640, 309856), (1684, 301760), (1840, 276176), (1886, 269440), (2105, 241408), (2624, 193660), (2944, 172610), (3280, 154928), (3368, 150880), (3680, 138088), (3772, 134720), (4210, 120704), (4715, 107776), (5248, 96830), (5888, 86305), (6560, 77464), (6736, 75440), (7360, 69044), (7544, 67360), (8420, 60352), (9430, 53888), (9683, 52480), (10496, 48415), (13120, 38732), (13472, 37720), (14720, 34522), (15088, 33680), (16840, 30176), (17261, 29440), (18860, 26944), (19366, 26240)]