31255040

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:473

約数の個数: 80

約数和(自身を含む): 77707080

約数和(自身を除く): 46452040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 421, 464, 512, 580, 640, 842, 928, 1160, 1280, 1684, 1856, 2105, 2320, 2560, 3368, 3712, 4210, 4640, 6736, 7424, 8420, 9280, 12209, 13472, 14848, 16840, 18560, 24418, 26944, 33680, 37120, 48836, 53888, 61045, 67360, 74240, 97672, 107776, 122090, 134720, 195344, 215552, 244180, 269440, 390688, 488360, 538880, 781376, 976720, 1077760, 1562752, 1953440, 3125504, 3906880, 6251008, 7813760, 15627520, 31255040]

約数ペア:

[(1, 31255040), (2, 15627520), (4, 7813760), (5, 6251008), (8, 3906880), (10, 3125504), (16, 1953440), (20, 1562752), (29, 1077760), (32, 976720), (40, 781376), (58, 538880), (64, 488360), (80, 390688), (116, 269440), (128, 244180), (145, 215552), (160, 195344), (232, 134720), (256, 122090), (290, 107776), (320, 97672), (421, 74240), (464, 67360), (512, 61045), (580, 53888), (640, 48836), (842, 37120), (928, 33680), (1160, 26944), (1280, 24418), (1684, 18560), (1856, 16840), (2105, 14848), (2320, 13472), (2560, 12209), (3368, 9280), (3712, 8420), (4210, 7424), (4640, 6736)]