8156680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29131}}^1$

素因数の和:29149

約数の個数: 32

約数和(自身を含む): 20975040

約数和(自身を除く): 12818360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 29131, 58262, 116524, 145655, 203917, 233048, 291310, 407834, 582620, 815668, 1019585, 1165240, 1631336, 2039170, 4078340, 8156680]

約数ペア:

[(1, 8156680), (2, 4078340), (4, 2039170), (5, 1631336), (7, 1165240), (8, 1019585), (10, 815668), (14, 582620), (20, 407834), (28, 291310), (35, 233048), (40, 203917), (56, 145655), (70, 116524), (140, 58262), (280, 29131)]