28444160

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:335

約数の個数: 80

約数和(自身を含む): 70120512

約数和(自身を除く): 41676352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 271, 320, 328, 410, 512, 542, 640, 656, 820, 1084, 1280, 1312, 1355, 1640, 2168, 2560, 2624, 2710, 3280, 4336, 5248, 5420, 6560, 8672, 10496, 10840, 11111, 13120, 17344, 20992, 21680, 22222, 26240, 34688, 43360, 44444, 52480, 55555, 69376, 86720, 88888, 104960, 111110, 138752, 173440, 177776, 222220, 346880, 355552, 444440, 693760, 711104, 888880, 1422208, 1777760, 2844416, 3555520, 5688832, 7111040, 14222080, 28444160]

約数ペア:

[(1, 28444160), (2, 14222080), (4, 7111040), (5, 5688832), (8, 3555520), (10, 2844416), (16, 1777760), (20, 1422208), (32, 888880), (40, 711104), (41, 693760), (64, 444440), (80, 355552), (82, 346880), (128, 222220), (160, 177776), (164, 173440), (205, 138752), (256, 111110), (271, 104960), (320, 88888), (328, 86720), (410, 69376), (512, 55555), (542, 52480), (640, 44444), (656, 43360), (820, 34688), (1084, 26240), (1280, 22222), (1312, 21680), (1355, 20992), (1640, 17344), (2168, 13120), (2560, 11111), (2624, 10840), (2710, 10496), (3280, 8672), (4336, 6560), (5248, 5420)]