64887160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124783}}^1$

素因数の和:124807

約数の個数: 32

約数和(自身を含む): 157227840

約数和(自身を除く): 92340680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 124783, 249566, 499132, 623915, 998264, 1247830, 1622179, 2495660, 3244358, 4991320, 6488716, 8110895, 12977432, 16221790, 32443580, 64887160]

約数ペア:

[(1, 64887160), (2, 32443580), (4, 16221790), (5, 12977432), (8, 8110895), (10, 6488716), (13, 4991320), (20, 3244358), (26, 2495660), (40, 1622179), (52, 1247830), (65, 998264), (104, 623915), (130, 499132), (260, 249566), (520, 124783)]