22199840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{821}}^1$

素因数の和:862

約数の個数: 72

約数和(自身を含む): 56861028

約数和(自身を除く): 34661188

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 821, 845, 1040, 1352, 1642, 1690, 2080, 2704, 3284, 3380, 4105, 5408, 6568, 6760, 8210, 10673, 13136, 13520, 16420, 21346, 26272, 27040, 32840, 42692, 53365, 65680, 85384, 106730, 131360, 138749, 170768, 213460, 277498, 341536, 426920, 554996, 693745, 853840, 1109992, 1387490, 1707680, 2219984, 2774980, 4439968, 5549960, 11099920, 22199840]

約数ペア:

[(1, 22199840), (2, 11099920), (4, 5549960), (5, 4439968), (8, 2774980), (10, 2219984), (13, 1707680), (16, 1387490), (20, 1109992), (26, 853840), (32, 693745), (40, 554996), (52, 426920), (65, 341536), (80, 277498), (104, 213460), (130, 170768), (160, 138749), (169, 131360), (208, 106730), (260, 85384), (338, 65680), (416, 53365), (520, 42692), (676, 32840), (821, 27040), (845, 26272), (1040, 21346), (1352, 16420), (1642, 13520), (1690, 13136), (2080, 10673), (2704, 8210), (3284, 6760), (3380, 6568), (4105, 5408)]