4493125

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:119

約数の個数: 40

約数和(自身を含む): 6997760

約数和(自身を除く): 2504635

約数列:

[1, 5, 7, 13, 25, 35, 65, 79, 91, 125, 175, 325, 395, 455, 553, 625, 875, 1027, 1625, 1975, 2275, 2765, 4375, 5135, 7189, 8125, 9875, 11375, 13825, 25675, 35945, 49375, 56875, 69125, 128375, 179725, 345625, 641875, 898625, 4493125]

約数ペア:

[(1, 4493125), (5, 898625), (7, 641875), (13, 345625), (25, 179725), (35, 128375), (65, 69125), (79, 56875), (91, 49375), (125, 35945), (175, 25675), (325, 13825), (395, 11375), (455, 9875), (553, 8125), (625, 7189), (875, 5135), (1027, 4375), (1625, 2765), (1975, 2275)]