40287280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2693}}^1$

素因数の和:2734

約数の個数: 80

約数和(自身を含む): 108234144

約数和(自身を除く): 67946864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2693, 2992, 3740, 5386, 7480, 10772, 13465, 14960, 21544, 26930, 29623, 43088, 45781, 53860, 59246, 91562, 107720, 118492, 148115, 183124, 215440, 228905, 236984, 296230, 366248, 457810, 473968, 503591, 592460, 732496, 915620, 1007182, 1184920, 1831240, 2014364, 2369840, 2517955, 3662480, 4028728, 5035910, 8057456, 10071820, 20143640, 40287280]

約数ペア:

[(1, 40287280), (2, 20143640), (4, 10071820), (5, 8057456), (8, 5035910), (10, 4028728), (11, 3662480), (16, 2517955), (17, 2369840), (20, 2014364), (22, 1831240), (34, 1184920), (40, 1007182), (44, 915620), (55, 732496), (68, 592460), (80, 503591), (85, 473968), (88, 457810), (110, 366248), (136, 296230), (170, 236984), (176, 228905), (187, 215440), (220, 183124), (272, 148115), (340, 118492), (374, 107720), (440, 91562), (680, 59246), (748, 53860), (880, 45781), (935, 43088), (1360, 29623), (1496, 26930), (1870, 21544), (2693, 14960), (2992, 13465), (3740, 10772), (5386, 7480)]