320420050

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{81119}}^1$

素因数の和:81210

約数の個数: 24

約数和(自身を含む): 603532800

約数和(自身を除く): 283112750

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 81119, 162238, 405595, 811190, 2027975, 4055950, 6408401, 12816802, 32042005, 64084010, 160210025, 320420050]

約数ペア:

[(1, 320420050), (2, 160210025), (5, 64084010), (10, 32042005), (25, 12816802), (50, 6408401), (79, 4055950), (158, 2027975), (395, 811190), (790, 405595), (1975, 162238), (3950, 81119)]