55388125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:451

約数の個数: 40

約数和(自身を含む): 79118424

約数和(自身を除く): 23730299

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 401, 425, 625, 1105, 1625, 2005, 2125, 5213, 5525, 6817, 8125, 10025, 10625, 26065, 27625, 34085, 50125, 88621, 130325, 138125, 170425, 250625, 443105, 651625, 852125, 2215525, 3258125, 4260625, 11077625, 55388125]

約数ペア:

[(1, 55388125), (5, 11077625), (13, 4260625), (17, 3258125), (25, 2215525), (65, 852125), (85, 651625), (125, 443105), (221, 250625), (325, 170425), (401, 138125), (425, 130325), (625, 88621), (1105, 50125), (1625, 34085), (2005, 27625), (2125, 26065), (5213, 10625), (5525, 10025), (6817, 8125)]