87122740

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{22807}}^1$

素因数の和:23007

約数の個数: 24

約数和(自身を含む): 183923712

約数和(自身を除く): 96800972

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 22807, 45614, 91228, 114035, 228070, 456140, 4356137, 8712274, 17424548, 21780685, 43561370, 87122740]

約数ペア:

[(1, 87122740), (2, 43561370), (4, 21780685), (5, 17424548), (10, 8712274), (20, 4356137), (191, 456140), (382, 228070), (764, 114035), (955, 91228), (1910, 45614), (3820, 22807)]