78439580

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{58537}}^1$

素因数の和:58613

約数の個数: 24

約数和(自身を含む): 167184528

約数和(自身を除く): 88744948

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 58537, 117074, 234148, 292685, 585370, 1170740, 3921979, 7843958, 15687916, 19609895, 39219790, 78439580]

約数ペア:

[(1, 78439580), (2, 39219790), (4, 19609895), (5, 15687916), (10, 7843958), (20, 3921979), (67, 1170740), (134, 585370), (268, 292685), (335, 234148), (670, 117074), (1340, 58537)]