49475920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 125273232

約数和(自身を除く): 75797312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 113, 130, 208, 226, 260, 421, 452, 520, 565, 842, 904, 1040, 1130, 1469, 1684, 1808, 2105, 2260, 2938, 3368, 4210, 4520, 5473, 5876, 6736, 7345, 8420, 9040, 10946, 11752, 14690, 16840, 21892, 23504, 27365, 29380, 33680, 43784, 47573, 54730, 58760, 87568, 95146, 109460, 117520, 190292, 218920, 237865, 380584, 437840, 475730, 618449, 761168, 951460, 1236898, 1902920, 2473796, 3092245, 3805840, 4947592, 6184490, 9895184, 12368980, 24737960, 49475920]

約数ペア:

[(1, 49475920), (2, 24737960), (4, 12368980), (5, 9895184), (8, 6184490), (10, 4947592), (13, 3805840), (16, 3092245), (20, 2473796), (26, 1902920), (40, 1236898), (52, 951460), (65, 761168), (80, 618449), (104, 475730), (113, 437840), (130, 380584), (208, 237865), (226, 218920), (260, 190292), (421, 117520), (452, 109460), (520, 95146), (565, 87568), (842, 58760), (904, 54730), (1040, 47573), (1130, 43784), (1469, 33680), (1684, 29380), (1808, 27365), (2105, 23504), (2260, 21892), (2938, 16840), (3368, 14690), (4210, 11752), (4520, 10946), (5473, 9040), (5876, 8420), (6736, 7345)]