67664560

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5189}}^1$

素因数の和:5365

約数の個数: 40

約数和(自身を含む): 158315760

約数和(自身を除く): 90651200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5189, 6520, 10378, 13040, 20756, 25945, 41512, 51890, 83024, 103780, 207560, 415120, 845807, 1691614, 3383228, 4229035, 6766456, 8458070, 13532912, 16916140, 33832280, 67664560]

約数ペア:

[(1, 67664560), (2, 33832280), (4, 16916140), (5, 13532912), (8, 8458070), (10, 6766456), (16, 4229035), (20, 3383228), (40, 1691614), (80, 845807), (163, 415120), (326, 207560), (652, 103780), (815, 83024), (1304, 51890), (1630, 41512), (2608, 25945), (3260, 20756), (5189, 13040), (6520, 10378)]