40143140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64747}}^1$

素因数の和:64787

約数の個数: 24

約数和(自身を含む): 87021312

約数和(自身を除く): 46878172

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 64747, 129494, 258988, 323735, 647470, 1294940, 2007157, 4014314, 8028628, 10035785, 20071570, 40143140]

約数ペア:

[(1, 40143140), (2, 20071570), (4, 10035785), (5, 8028628), (10, 4014314), (20, 2007157), (31, 1294940), (62, 647470), (124, 323735), (155, 258988), (310, 129494), (620, 64747)]