66520280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{24821}}^1$

素因数の和:24899

約数の個数: 32

約数和(自身を含む): 151910640

約数和(自身を除く): 85390360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 24821, 49642, 99284, 124105, 198568, 248210, 496420, 992840, 1663007, 3326014, 6652028, 8315035, 13304056, 16630070, 33260140, 66520280]

約数ペア:

[(1, 66520280), (2, 33260140), (4, 16630070), (5, 13304056), (8, 8315035), (10, 6652028), (20, 3326014), (40, 1663007), (67, 992840), (134, 496420), (268, 248210), (335, 198568), (536, 124105), (670, 99284), (1340, 49642), (2680, 24821)]