80456745616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1987}}^1\times {\mathrm{194671}}^1$

素因数の和:196679

約数の個数: 40

約数和(自身を含む): 167961444224

約数和(自身を除く): 87504698608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1987, 3974, 7948, 15896, 25831, 31792, 51662, 103324, 194671, 206648, 389342, 413296, 778684, 1557368, 2530723, 3114736, 5061446, 10122892, 20245784, 40491568, 386811277, 773622554, 1547245108, 3094490216, 5028546601, 6188980432, 10057093202, 20114186404, 40228372808, 80456745616]

約数ペア:

[(1, 80456745616), (2, 40228372808), (4, 20114186404), (8, 10057093202), (13, 6188980432), (16, 5028546601), (26, 3094490216), (52, 1547245108), (104, 773622554), (208, 386811277), (1987, 40491568), (3974, 20245784), (7948, 10122892), (15896, 5061446), (25831, 3114736), (31792, 2530723), (51662, 1557368), (103324, 778684), (194671, 413296), (206648, 389342)]