40247920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16229}}^1$

素因数の和:16273

約数の個数: 40

約数和(自身を含む): 96600960

約数和(自身を除く): 56353040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 16229, 32458, 64916, 81145, 129832, 162290, 259664, 324580, 503099, 649160, 1006198, 1298320, 2012396, 2515495, 4024792, 5030990, 8049584, 10061980, 20123960, 40247920]

約数ペア:

[(1, 40247920), (2, 20123960), (4, 10061980), (5, 8049584), (8, 5030990), (10, 4024792), (16, 2515495), (20, 2012396), (31, 1298320), (40, 1006198), (62, 649160), (80, 503099), (124, 324580), (155, 259664), (248, 162290), (310, 129832), (496, 81145), (620, 64916), (1240, 32458), (2480, 16229)]