49690420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{499}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 112896000

約数和(自身を除く): 63205580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 383, 499, 766, 998, 1532, 1915, 1996, 2495, 3830, 4979, 4990, 6487, 7660, 9958, 9980, 12974, 19916, 24895, 25948, 32435, 49790, 64870, 99580, 129740, 191117, 382234, 764468, 955585, 1911170, 2484521, 3822340, 4969042, 9938084, 12422605, 24845210, 49690420]

約数ペア:

[(1, 49690420), (2, 24845210), (4, 12422605), (5, 9938084), (10, 4969042), (13, 3822340), (20, 2484521), (26, 1911170), (52, 955585), (65, 764468), (130, 382234), (260, 191117), (383, 129740), (499, 99580), (766, 64870), (998, 49790), (1532, 32435), (1915, 25948), (1996, 24895), (2495, 19916), (3830, 12974), (4979, 9980), (4990, 9958), (6487, 7660)]