65346625

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 85363200

約数和(自身を除く): 20016575

約数列:

[1, 5, 25, 37, 71, 125, 185, 199, 355, 925, 995, 1775, 2627, 4625, 4975, 7363, 8875, 13135, 14129, 24875, 36815, 65675, 70645, 184075, 328375, 353225, 522773, 920375, 1766125, 2613865, 13069325, 65346625]

約数ペア:

[(1, 65346625), (5, 13069325), (25, 2613865), (37, 1766125), (71, 920375), (125, 522773), (185, 353225), (199, 328375), (355, 184075), (925, 70645), (995, 65675), (1775, 36815), (2627, 24875), (4625, 14129), (4975, 13135), (7363, 8875)]