29721640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{937}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 73276560

約数和(自身を除く): 43554920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 937, 1220, 1586, 1874, 2440, 3172, 3748, 3965, 4685, 6344, 7496, 7930, 9370, 12181, 15860, 18740, 24362, 31720, 37480, 48724, 57157, 60905, 97448, 114314, 121810, 228628, 243620, 285785, 457256, 487240, 571570, 743041, 1143140, 1486082, 2286280, 2972164, 3715205, 5944328, 7430410, 14860820, 29721640]

約数ペア:

[(1, 29721640), (2, 14860820), (4, 7430410), (5, 5944328), (8, 3715205), (10, 2972164), (13, 2286280), (20, 1486082), (26, 1143140), (40, 743041), (52, 571570), (61, 487240), (65, 457256), (104, 285785), (122, 243620), (130, 228628), (244, 121810), (260, 114314), (305, 97448), (488, 60905), (520, 57157), (610, 48724), (793, 37480), (937, 31720), (1220, 24362), (1586, 18740), (1874, 15860), (2440, 12181), (3172, 9370), (3748, 7930), (3965, 7496), (4685, 6344)]