31385240

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7333}}^1$

素因数の和:7451

約数の個数: 32

約数和(自身を含む): 71286480

約数和(自身を除く): 39901240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 7333, 14666, 29332, 36665, 58664, 73330, 146660, 293320, 784631, 1569262, 3138524, 3923155, 6277048, 7846310, 15692620, 31385240]

約数ペア:

[(1, 31385240), (2, 15692620), (4, 7846310), (5, 6277048), (8, 3923155), (10, 3138524), (20, 1569262), (40, 784631), (107, 293320), (214, 146660), (428, 73330), (535, 58664), (856, 36665), (1070, 29332), (2140, 14666), (4280, 7333)]