64993520

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6397}}^1$

素因数の和:6537

約数の個数: 40

約数和(自身を含む): 152323584

約数和(自身を除く): 87330064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 6397, 10160, 12794, 25588, 31985, 51176, 63970, 102352, 127940, 255880, 511760, 812419, 1624838, 3249676, 4062095, 6499352, 8124190, 12998704, 16248380, 32496760, 64993520]

約数ペア:

[(1, 64993520), (2, 32496760), (4, 16248380), (5, 12998704), (8, 8124190), (10, 6499352), (16, 4062095), (20, 3249676), (40, 1624838), (80, 812419), (127, 511760), (254, 255880), (508, 127940), (635, 102352), (1016, 63970), (1270, 51176), (2032, 31985), (2540, 25588), (5080, 12794), (6397, 10160)]