13178720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2657}}^1$

素因数の和:2703

約数の個数: 48

約数和(自身を含む): 32151168

約数和(自身を除く): 18972448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 2657, 4960, 5314, 10628, 13285, 21256, 26570, 42512, 53140, 82367, 85024, 106280, 164734, 212560, 329468, 411835, 425120, 658936, 823670, 1317872, 1647340, 2635744, 3294680, 6589360, 13178720]

約数ペア:

[(1, 13178720), (2, 6589360), (4, 3294680), (5, 2635744), (8, 1647340), (10, 1317872), (16, 823670), (20, 658936), (31, 425120), (32, 411835), (40, 329468), (62, 212560), (80, 164734), (124, 106280), (155, 85024), (160, 82367), (248, 53140), (310, 42512), (496, 26570), (620, 21256), (992, 13285), (1240, 10628), (2480, 5314), (2657, 4960)]