78038740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{300149}}^1$

素因数の和:300171

約数の個数: 24

約数和(自身を含む): 176488200

約数和(自身を除く): 98449460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 300149, 600298, 1200596, 1500745, 3001490, 3901937, 6002980, 7803874, 15607748, 19509685, 39019370, 78038740]

約数ペア:

[(1, 78038740), (2, 39019370), (4, 19509685), (5, 15607748), (10, 7803874), (13, 6002980), (20, 3901937), (26, 3001490), (52, 1500745), (65, 1200596), (130, 600298), (260, 300149)]