1969747625

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{467}}^1\times {\mathrm{823}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 2526660864

約数和(自身を除く): 556913239

約数列:

[1, 5, 25, 41, 125, 205, 467, 823, 1025, 2335, 4115, 5125, 11675, 19147, 20575, 33743, 58375, 95735, 102875, 168715, 384341, 478675, 843575, 1921705, 2393375, 4217875, 9608525, 15757981, 48042625, 78789905, 393949525, 1969747625]

約数ペア:

[(1, 1969747625), (5, 393949525), (25, 78789905), (41, 48042625), (125, 15757981), (205, 9608525), (467, 4217875), (823, 2393375), (1025, 1921705), (2335, 843575), (4115, 478675), (5125, 384341), (11675, 168715), (19147, 102875), (20575, 95735), (33743, 58375)]