64416080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42379}}^1$

素因数の和:42411

約数の個数: 40

約数和(自身を含む): 157653600

約数和(自身を除く): 93237520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 42379, 84758, 169516, 211895, 339032, 423790, 678064, 805201, 847580, 1610402, 1695160, 3220804, 3390320, 4026005, 6441608, 8052010, 12883216, 16104020, 32208040, 64416080]

約数ペア:

[(1, 64416080), (2, 32208040), (4, 16104020), (5, 12883216), (8, 8052010), (10, 6441608), (16, 4026005), (19, 3390320), (20, 3220804), (38, 1695160), (40, 1610402), (76, 847580), (80, 805201), (95, 678064), (152, 423790), (190, 339032), (304, 211895), (380, 169516), (760, 84758), (1520, 42379)]