24989900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 59787840

約数和(自身を除く): 34797940

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 130, 188, 235, 260, 325, 409, 470, 611, 650, 818, 940, 1175, 1222, 1300, 1636, 2045, 2350, 2444, 3055, 4090, 4700, 5317, 6110, 8180, 10225, 10634, 12220, 15275, 19223, 20450, 21268, 26585, 30550, 38446, 40900, 53170, 61100, 76892, 96115, 106340, 132925, 192230, 249899, 265850, 384460, 480575, 499798, 531700, 961150, 999596, 1249495, 1922300, 2498990, 4997980, 6247475, 12494950, 24989900]

約数ペア:

[(1, 24989900), (2, 12494950), (4, 6247475), (5, 4997980), (10, 2498990), (13, 1922300), (20, 1249495), (25, 999596), (26, 961150), (47, 531700), (50, 499798), (52, 480575), (65, 384460), (94, 265850), (100, 249899), (130, 192230), (188, 132925), (235, 106340), (260, 96115), (325, 76892), (409, 61100), (470, 53170), (611, 40900), (650, 38446), (818, 30550), (940, 26585), (1175, 21268), (1222, 20450), (1300, 19223), (1636, 15275), (2045, 12220), (2350, 10634), (2444, 10225), (3055, 8180), (4090, 6110), (4700, 5317)]