25220180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74177}}^1$

素因数の和:74203

約数の個数: 24

約数和(自身を含む): 56078568

約数和(自身を除く): 30858388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 74177, 148354, 296708, 370885, 741770, 1261009, 1483540, 2522018, 5044036, 6305045, 12610090, 25220180]

約数ペア:

[(1, 25220180), (2, 12610090), (4, 6305045), (5, 5044036), (10, 2522018), (17, 1483540), (20, 1261009), (34, 741770), (68, 370885), (85, 296708), (170, 148354), (340, 74177)]