12813125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:135

約数の個数: 40

約数和(自身を含む): 18369120

約数和(自身を除く): 5555995

約数列:

[1, 5, 13, 19, 25, 65, 83, 95, 125, 247, 325, 415, 475, 625, 1079, 1235, 1577, 1625, 2075, 2375, 5395, 6175, 7885, 8125, 10375, 11875, 20501, 26975, 30875, 39425, 51875, 102505, 134875, 154375, 197125, 512525, 674375, 985625, 2562625, 12813125]

約数ペア:

[(1, 12813125), (5, 2562625), (13, 985625), (19, 674375), (25, 512525), (65, 197125), (83, 154375), (95, 134875), (125, 102505), (247, 51875), (325, 39425), (415, 30875), (475, 26975), (625, 20501), (1079, 11875), (1235, 10375), (1577, 8125), (1625, 7885), (2075, 6175), (2375, 5395)]