19200625

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1042

約数の個数: 20

約数和(自身を含む): 24792064

約数和(自身を除く): 5591439

約数列:

[1, 5, 25, 31, 125, 155, 625, 775, 991, 3875, 4955, 19375, 24775, 30721, 123875, 153605, 619375, 768025, 3840125, 19200625]

約数ペア:

[(1, 19200625), (5, 3840125), (25, 768025), (31, 619375), (125, 153605), (155, 123875), (625, 30721), (775, 24775), (991, 19375), (3875, 4955)]