90540625

素因数分解:

$5^5\times 7^1\times {\mathrm{4139}}^1$

素因数の和:4171

約数の個数: 24

約数和(自身を含む): 129366720

約数和(自身を除く): 38826095

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 3125, 4139, 4375, 20695, 21875, 28973, 103475, 144865, 517375, 724325, 2586875, 3621625, 12934375, 18108125, 90540625]

約数ペア:

[(1, 90540625), (5, 18108125), (7, 12934375), (25, 3621625), (35, 2586875), (125, 724325), (175, 517375), (625, 144865), (875, 103475), (3125, 28973), (4139, 21875), (4375, 20695)]