7812680

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1129}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 17695800

約数和(自身を除く): 9883120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1129, 1384, 1730, 2258, 3460, 4516, 5645, 6920, 9032, 11290, 22580, 45160, 195317, 390634, 781268, 976585, 1562536, 1953170, 3906340, 7812680]

約数ペア:

[(1, 7812680), (2, 3906340), (4, 1953170), (5, 1562536), (8, 976585), (10, 781268), (20, 390634), (40, 195317), (173, 45160), (346, 22580), (692, 11290), (865, 9032), (1129, 6920), (1384, 5645), (1730, 4516), (2258, 3460)]