80495840

素因数分解:

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

素因数の和:16275

約数の個数: 48

約数和(自身を含む): 196318080

約数和(自身を除く): 115822240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 16229, 32458, 64916, 81145, 129832, 162290, 259664, 324580, 503099, 519328, 649160, 1006198, 1298320, 2012396, 2515495, 2596640, 4024792, 5030990, 8049584, 10061980, 16099168, 20123960, 40247920, 80495840]

約数ペア:

[(1, 80495840), (2, 40247920), (4, 20123960), (5, 16099168), (8, 10061980), (10, 8049584), (16, 5030990), (20, 4024792), (31, 2596640), (32, 2515495), (40, 2012396), (62, 1298320), (80, 1006198), (124, 649160), (155, 519328), (160, 503099), (248, 324580), (310, 259664), (496, 162290), (620, 129832), (992, 81145), (1240, 64916), (2480, 32458), (4960, 16229)]