210909320

素因数分解:

$2^3\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{4129}}^1$

素因数の和:5417

約数の個数: 32

約数和(自身を含む): 475032600

約数和(自身を除く): 264123280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277, 2554, 4129, 5108, 6385, 8258, 10216, 12770, 16516, 20645, 25540, 33032, 41290, 51080, 82580, 165160, 5272733, 10545466, 21090932, 26363665, 42181864, 52727330, 105454660, 210909320]

約数ペア:

[(1, 210909320), (2, 105454660), (4, 52727330), (5, 42181864), (8, 26363665), (10, 21090932), (20, 10545466), (40, 5272733), (1277, 165160), (2554, 82580), (4129, 51080), (5108, 41290), (6385, 33032), (8258, 25540), (10216, 20645), (12770, 16516)]