8007920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3229}}^1$

素因数の和:3273

約数の個数: 40

約数和(自身を含む): 19224960

約数和(自身を除く): 11217040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3229, 6458, 12916, 16145, 25832, 32290, 51664, 64580, 100099, 129160, 200198, 258320, 400396, 500495, 800792, 1000990, 1601584, 2001980, 4003960, 8007920]

約数ペア:

[(1, 8007920), (2, 4003960), (4, 2001980), (5, 1601584), (8, 1000990), (10, 800792), (16, 500495), (20, 400396), (31, 258320), (40, 200198), (62, 129160), (80, 100099), (124, 64580), (155, 51664), (248, 32290), (310, 25832), (496, 16145), (620, 12916), (1240, 6458), (2480, 3229)]