72825740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280099}}^1$

素因数の和:280121

約数の個数: 24

約数和(自身を含む): 164698800

約数和(自身を除く): 91873060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 280099, 560198, 1120396, 1400495, 2800990, 3641287, 5601980, 7282574, 14565148, 18206435, 36412870, 72825740]

約数ペア:

[(1, 72825740), (2, 36412870), (4, 18206435), (5, 14565148), (10, 7282574), (13, 5601980), (20, 3641287), (26, 2800990), (52, 1400495), (65, 1120396), (130, 560198), (260, 280099)]