621075520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149297}}^1$

素因数の和:149327

約数の個数: 56

約数和(自身を含む): 1592711064

約数和(自身を除く): 971635544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 149297, 298594, 597188, 746485, 1194376, 1492970, 1940861, 2388752, 2985940, 3881722, 4777504, 5971880, 7763444, 9555008, 9704305, 11943760, 15526888, 19408610, 23887520, 31053776, 38817220, 47775040, 62107552, 77634440, 124215104, 155268880, 310537760, 621075520]

約数ペア:

[(1, 621075520), (2, 310537760), (4, 155268880), (5, 124215104), (8, 77634440), (10, 62107552), (13, 47775040), (16, 38817220), (20, 31053776), (26, 23887520), (32, 19408610), (40, 15526888), (52, 11943760), (64, 9704305), (65, 9555008), (80, 7763444), (104, 5971880), (130, 4777504), (160, 3881722), (208, 2985940), (260, 2388752), (320, 1940861), (416, 1492970), (520, 1194376), (832, 746485), (1040, 597188), (2080, 298594), (4160, 149297)]