64260040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{647}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 92504120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 260, 382, 520, 647, 764, 955, 1294, 1528, 1910, 2483, 2588, 3235, 3820, 4966, 5176, 6470, 7640, 8411, 9932, 12415, 12940, 16822, 19864, 24830, 25880, 33644, 42055, 49660, 67288, 84110, 99320, 123577, 168220, 247154, 336440, 494308, 617885, 988616, 1235770, 1606501, 2471540, 3213002, 4943080, 6426004, 8032505, 12852008, 16065010, 32130020, 64260040]

約数ペア:

[(1, 64260040), (2, 32130020), (4, 16065010), (5, 12852008), (8, 8032505), (10, 6426004), (13, 4943080), (20, 3213002), (26, 2471540), (40, 1606501), (52, 1235770), (65, 988616), (104, 617885), (130, 494308), (191, 336440), (260, 247154), (382, 168220), (520, 123577), (647, 99320), (764, 84110), (955, 67288), (1294, 49660), (1528, 42055), (1910, 33644), (2483, 25880), (2588, 24830), (3235, 19864), (3820, 16822), (4966, 12940), (5176, 12415), (6470, 9932), (7640, 8411)]