17690920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2617}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 43118460

約数和(自身を除く): 25427540

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2617, 3380, 5234, 6760, 10468, 13085, 20936, 26170, 34021, 52340, 68042, 104680, 136084, 170105, 272168, 340210, 442273, 680420, 884546, 1360840, 1769092, 2211365, 3538184, 4422730, 8845460, 17690920]

約数ペア:

[(1, 17690920), (2, 8845460), (4, 4422730), (5, 3538184), (8, 2211365), (10, 1769092), (13, 1360840), (20, 884546), (26, 680420), (40, 442273), (52, 340210), (65, 272168), (104, 170105), (130, 136084), (169, 104680), (260, 68042), (338, 52340), (520, 34021), (676, 26170), (845, 20936), (1352, 13085), (1690, 10468), (2617, 6760), (3380, 5234)]