91028240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59887}}^1$

素因数の和:59919

約数の個数: 40

約数和(自身を含む): 222783360

約数和(自身を除く): 131755120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 59887, 119774, 239548, 299435, 479096, 598870, 958192, 1137853, 1197740, 2275706, 2395480, 4551412, 4790960, 5689265, 9102824, 11378530, 18205648, 22757060, 45514120, 91028240]

約数ペア:

[(1, 91028240), (2, 45514120), (4, 22757060), (5, 18205648), (8, 11378530), (10, 9102824), (16, 5689265), (19, 4790960), (20, 4551412), (38, 2395480), (40, 2275706), (76, 1197740), (80, 1137853), (95, 958192), (152, 598870), (190, 479096), (304, 299435), (380, 239548), (760, 119774), (1520, 59887)]