64344080

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4211}}^1$

素因数の和:4415

約数の個数: 40

約数和(自身を含む): 150418944

約数和(自身を除く): 86074864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 4211, 7640, 8422, 15280, 16844, 21055, 33688, 42110, 67376, 84220, 168440, 336880, 804301, 1608602, 3217204, 4021505, 6434408, 8043010, 12868816, 16086020, 32172040, 64344080]

約数ペア:

[(1, 64344080), (2, 32172040), (4, 16086020), (5, 12868816), (8, 8043010), (10, 6434408), (16, 4021505), (20, 3217204), (40, 1608602), (80, 804301), (191, 336880), (382, 168440), (764, 84220), (955, 67376), (1528, 42110), (1910, 33688), (3056, 21055), (3820, 16844), (4211, 15280), (7640, 8422)]