51293125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 70852320

約数和(自身を除く): 19559195

約数列:

[1, 5, 13, 25, 59, 65, 107, 125, 295, 325, 535, 625, 767, 1391, 1475, 1625, 2675, 3835, 6313, 6955, 7375, 8125, 13375, 19175, 31565, 34775, 36875, 66875, 82069, 95875, 157825, 173875, 410345, 479375, 789125, 869375, 2051725, 3945625, 10258625, 51293125]

約数ペア:

[(1, 51293125), (5, 10258625), (13, 3945625), (25, 2051725), (59, 869375), (65, 789125), (107, 479375), (125, 410345), (295, 173875), (325, 157825), (535, 95875), (625, 82069), (767, 66875), (1391, 36875), (1475, 34775), (1625, 31565), (2675, 19175), (3835, 13375), (6313, 8125), (6955, 7375)]