13180640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7489}}^1$

素因数の和:7515

約数の個数: 48

約数和(自身を含む): 33974640

約数和(自身を除く): 20794000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 7489, 14978, 29956, 37445, 59912, 74890, 82379, 119824, 149780, 164758, 239648, 299560, 329516, 411895, 599120, 659032, 823790, 1198240, 1318064, 1647580, 2636128, 3295160, 6590320, 13180640]

約数ペア:

[(1, 13180640), (2, 6590320), (4, 3295160), (5, 2636128), (8, 1647580), (10, 1318064), (11, 1198240), (16, 823790), (20, 659032), (22, 599120), (32, 411895), (40, 329516), (44, 299560), (55, 239648), (80, 164758), (88, 149780), (110, 119824), (160, 82379), (176, 74890), (220, 59912), (352, 37445), (440, 29956), (880, 14978), (1760, 7489)]