8834020

素因数分解:

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

素因数の和:640

約数の個数: 48

約数和(自身を含む): 20342448

約数和(自身を除く): 11508428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 557, 610, 793, 1114, 1220, 1586, 2228, 2785, 3172, 3965, 5570, 7241, 7930, 11140, 14482, 15860, 28964, 33977, 36205, 67954, 72410, 135908, 144820, 169885, 339770, 441701, 679540, 883402, 1766804, 2208505, 4417010, 8834020]

約数ペア:

[(1, 8834020), (2, 4417010), (4, 2208505), (5, 1766804), (10, 883402), (13, 679540), (20, 441701), (26, 339770), (52, 169885), (61, 144820), (65, 135908), (122, 72410), (130, 67954), (244, 36205), (260, 33977), (305, 28964), (557, 15860), (610, 14482), (793, 11140), (1114, 7930), (1220, 7241), (1586, 5570), (2228, 3965), (2785, 3172)]