161159080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{129967}}^1$

素因数の和:130009

約数の個数: 32

約数和(自身を含む): 374307840

約数和(自身を除く): 213148760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 129967, 259934, 519868, 649835, 1039736, 1299670, 2599340, 4028977, 5198680, 8057954, 16115908, 20144885, 32231816, 40289770, 80579540, 161159080]

約数ペア:

[(1, 161159080), (2, 80579540), (4, 40289770), (5, 32231816), (8, 20144885), (10, 16115908), (20, 8057954), (31, 5198680), (40, 4028977), (62, 2599340), (124, 1299670), (155, 1039736), (248, 649835), (310, 519868), (620, 259934), (1240, 129967)]