31208360

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2879}}^1$

素因数の和:3161

約数の個数: 32

約数和(自身を含む): 70502400

約数和(自身を除く): 39294040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 2879, 5420, 5758, 10840, 11516, 14395, 23032, 28790, 57580, 115160, 780209, 1560418, 3120836, 3901045, 6241672, 7802090, 15604180, 31208360]

約数ペア:

[(1, 31208360), (2, 15604180), (4, 7802090), (5, 6241672), (8, 3901045), (10, 3120836), (20, 1560418), (40, 780209), (271, 115160), (542, 57580), (1084, 28790), (1355, 23032), (2168, 14395), (2710, 11516), (2879, 10840), (5420, 5758)]