13388240

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1481}}^1$

素因数の和:1607

約数の個数: 40

約数和(自身を含む): 31424328

約数和(自身を除く): 18036088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1481, 1808, 2260, 2962, 4520, 5924, 7405, 9040, 11848, 14810, 23696, 29620, 59240, 118480, 167353, 334706, 669412, 836765, 1338824, 1673530, 2677648, 3347060, 6694120, 13388240]

約数ペア:

[(1, 13388240), (2, 6694120), (4, 3347060), (5, 2677648), (8, 1673530), (10, 1338824), (16, 836765), (20, 669412), (40, 334706), (80, 167353), (113, 118480), (226, 59240), (452, 29620), (565, 23696), (904, 14810), (1130, 11848), (1481, 9040), (1808, 7405), (2260, 5924), (2962, 4520)]