55253720

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{7717}}^1$

素因数の和:7907

約数の個数: 32

約数和(自身を含む): 125031600

約数和(自身を除く): 69777880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 7717, 15434, 30868, 38585, 61736, 77170, 154340, 308680, 1381343, 2762686, 5525372, 6906715, 11050744, 13813430, 27626860, 55253720]

約数ペア:

[(1, 55253720), (2, 27626860), (4, 13813430), (5, 11050744), (8, 6906715), (10, 5525372), (20, 2762686), (40, 1381343), (179, 308680), (358, 154340), (716, 77170), (895, 61736), (1432, 38585), (1790, 30868), (3580, 15434), (7160, 7717)]