2489500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 5870592

約数和(自身を除く): 3381092

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 383, 500, 650, 766, 1300, 1532, 1625, 1915, 3250, 3830, 4979, 6500, 7660, 9575, 9958, 19150, 19916, 24895, 38300, 47875, 49790, 95750, 99580, 124475, 191500, 248950, 497900, 622375, 1244750, 2489500]

約数ペア:

[(1, 2489500), (2, 1244750), (4, 622375), (5, 497900), (10, 248950), (13, 191500), (20, 124475), (25, 99580), (26, 95750), (50, 49790), (52, 47875), (65, 38300), (100, 24895), (125, 19916), (130, 19150), (250, 9958), (260, 9575), (325, 7660), (383, 6500), (500, 4979), (650, 3830), (766, 3250), (1300, 1915), (1532, 1625)]