84160625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{89}}^2$

素因数の和:215

約数の個数: 30

約数和(自身を含む): 112618638

約数和(自身を除く): 28458013

約数列:

[1, 5, 17, 25, 85, 89, 125, 425, 445, 625, 1513, 2125, 2225, 7565, 7921, 10625, 11125, 37825, 39605, 55625, 134657, 189125, 198025, 673285, 945625, 990125, 3366425, 4950625, 16832125, 84160625]

約数ペア:

[(1, 84160625), (5, 16832125), (17, 4950625), (25, 3366425), (85, 990125), (89, 945625), (125, 673285), (425, 198025), (445, 189125), (625, 134657), (1513, 55625), (2125, 39605), (2225, 37825), (7565, 11125), (7921, 10625)]