27749800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{821}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 69948090

約数和(自身を除く): 42198290

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 325, 338, 520, 650, 676, 821, 845, 1300, 1352, 1642, 1690, 2600, 3284, 3380, 4105, 4225, 6568, 6760, 8210, 8450, 10673, 16420, 16900, 20525, 21346, 32840, 33800, 41050, 42692, 53365, 82100, 85384, 106730, 138749, 164200, 213460, 266825, 277498, 426920, 533650, 554996, 693745, 1067300, 1109992, 1387490, 2134600, 2774980, 3468725, 5549960, 6937450, 13874900, 27749800]

約数ペア:

[(1, 27749800), (2, 13874900), (4, 6937450), (5, 5549960), (8, 3468725), (10, 2774980), (13, 2134600), (20, 1387490), (25, 1109992), (26, 1067300), (40, 693745), (50, 554996), (52, 533650), (65, 426920), (100, 277498), (104, 266825), (130, 213460), (169, 164200), (200, 138749), (260, 106730), (325, 85384), (338, 82100), (520, 53365), (650, 42692), (676, 41050), (821, 33800), (845, 32840), (1300, 21346), (1352, 20525), (1642, 16900), (1690, 16420), (2600, 10673), (3284, 8450), (3380, 8210), (4105, 6760), (4225, 6568)]