40143760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16187}}^1$

素因数の和:16231

約数の個数: 40

約数和(自身を含む): 96350976

約数和(自身を除く): 56207216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 16187, 32374, 64748, 80935, 129496, 161870, 258992, 323740, 501797, 647480, 1003594, 1294960, 2007188, 2508985, 4014376, 5017970, 8028752, 10035940, 20071880, 40143760]

約数ペア:

[(1, 40143760), (2, 20071880), (4, 10035940), (5, 8028752), (8, 5017970), (10, 4014376), (16, 2508985), (20, 2007188), (31, 1294960), (40, 1003594), (62, 647480), (80, 501797), (124, 323740), (155, 258992), (248, 161870), (310, 129496), (496, 80935), (620, 64748), (1240, 32374), (2480, 16187)]