20145146125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{62929}}^1$

素因数の和:63154

約数の個数: 32

約数和(自身を含む): 27212945760

約数和(自身を除く): 7067799635

約数列:

[1, 5, 13, 25, 65, 125, 197, 325, 985, 1625, 2561, 4925, 12805, 24625, 62929, 64025, 314645, 320125, 818077, 1573225, 4090385, 7866125, 12397013, 20451925, 61985065, 102259625, 161161169, 309925325, 805805845, 1549626625, 4029029225, 20145146125]

約数ペア:

[(1, 20145146125), (5, 4029029225), (13, 1549626625), (25, 805805845), (65, 309925325), (125, 161161169), (197, 102259625), (325, 61985065), (985, 20451925), (1625, 12397013), (2561, 7866125), (4925, 4090385), (12805, 1573225), (24625, 818077), (62929, 320125), (64025, 314645)]