1640030125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{8741}}^1$

素因数の和:8854

約数の個数: 32

約数和(自身を含む): 2182003200

約数和(自身を除く): 541973075

約数列:

[1, 5, 19, 25, 79, 95, 125, 395, 475, 1501, 1975, 2375, 7505, 8741, 9875, 37525, 43705, 166079, 187625, 218525, 690539, 830395, 1092625, 3452695, 4151975, 13120241, 17263475, 20759875, 65601205, 86317375, 328006025, 1640030125]

約数ペア:

[(1, 1640030125), (5, 328006025), (19, 86317375), (25, 65601205), (79, 20759875), (95, 17263475), (125, 13120241), (395, 4151975), (475, 3452695), (1501, 1092625), (1975, 830395), (2375, 690539), (7505, 218525), (8741, 187625), (9875, 166079), (37525, 43705)]