17668040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 43590960

約数和(自身を除く): 25922920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 557, 610, 793, 1114, 1220, 1586, 2228, 2440, 2785, 3172, 3965, 4456, 5570, 6344, 7241, 7930, 11140, 14482, 15860, 22280, 28964, 31720, 33977, 36205, 57928, 67954, 72410, 135908, 144820, 169885, 271816, 289640, 339770, 441701, 679540, 883402, 1359080, 1766804, 2208505, 3533608, 4417010, 8834020, 17668040]

約数ペア:

[(1, 17668040), (2, 8834020), (4, 4417010), (5, 3533608), (8, 2208505), (10, 1766804), (13, 1359080), (20, 883402), (26, 679540), (40, 441701), (52, 339770), (61, 289640), (65, 271816), (104, 169885), (122, 144820), (130, 135908), (244, 72410), (260, 67954), (305, 57928), (488, 36205), (520, 33977), (557, 31720), (610, 28964), (793, 22280), (1114, 15860), (1220, 14482), (1586, 11140), (2228, 7930), (2440, 7241), (2785, 6344), (3172, 5570), (3965, 4456)]