40215980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{287257}}^1$

素因数の和:287273

約数の個数: 24

約数和(自身を含む): 96518688

約数和(自身を除く): 56302708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 287257, 574514, 1149028, 1436285, 2010799, 2872570, 4021598, 5745140, 8043196, 10053995, 20107990, 40215980]

約数ペア:

[(1, 40215980), (2, 20107990), (4, 10053995), (5, 8043196), (7, 5745140), (10, 4021598), (14, 2872570), (20, 2010799), (28, 1436285), (35, 1149028), (70, 574514), (140, 287257)]