71738960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28927}}^1$

素因数の和:28971

約数の個数: 40

約数和(自身を含む): 172179456

約数和(自身を除く): 100440496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28927, 57854, 115708, 144635, 231416, 289270, 462832, 578540, 896737, 1157080, 1793474, 2314160, 3586948, 4483685, 7173896, 8967370, 14347792, 17934740, 35869480, 71738960]

約数ペア:

[(1, 71738960), (2, 35869480), (4, 17934740), (5, 14347792), (8, 8967370), (10, 7173896), (16, 4483685), (20, 3586948), (31, 2314160), (40, 1793474), (62, 1157080), (80, 896737), (124, 578540), (155, 462832), (248, 289270), (310, 231416), (496, 144635), (620, 115708), (1240, 57854), (2480, 28927)]