242430625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{22817}}^1$

素因数の和:22854

約数の個数: 20

約数和(自身を含む): 320775444

約数和(自身を除く): 78344819

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 10625, 22817, 114085, 387889, 570425, 1939445, 2852125, 9697225, 14260625, 48486125, 242430625]

約数ペア:

[(1, 242430625), (5, 48486125), (17, 14260625), (25, 9697225), (85, 2852125), (125, 1939445), (425, 570425), (625, 387889), (2125, 114085), (10625, 22817)]