8921900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6863}}^1$

素因数の和:6890

約数の個数: 36

約数和(自身を含む): 20852832

約数和(自身を除く): 11930932

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 6863, 13726, 27452, 34315, 68630, 89219, 137260, 171575, 178438, 343150, 356876, 446095, 686300, 892190, 1784380, 2230475, 4460950, 8921900]

約数ペア:

[(1, 8921900), (2, 4460950), (4, 2230475), (5, 1784380), (10, 892190), (13, 686300), (20, 446095), (25, 356876), (26, 343150), (50, 178438), (52, 171575), (65, 137260), (100, 89219), (130, 68630), (260, 34315), (325, 27452), (650, 13726), (1300, 6863)]