80975890

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{51577}}^1$

素因数の和:51741

約数の個数: 16

約数和(自身を含む): 146687832

約数和(自身を除く): 65711942

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 51577, 103154, 257885, 515770, 8097589, 16195178, 40487945, 80975890]

約数ペア:

[(1, 80975890), (2, 40487945), (5, 16195178), (10, 8097589), (157, 515770), (314, 257885), (785, 103154), (1570, 51577)]