18908489375

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{12569}}^1$

素因数の和:12701

約数の個数: 40

約数和(自身を含む): 24739268400

約数和(自身を除く): 5830779025

約数列:

[1, 5, 25, 29, 83, 125, 145, 415, 625, 725, 2075, 2407, 3625, 10375, 12035, 12569, 18125, 51875, 60175, 62845, 300875, 314225, 364501, 1043227, 1504375, 1571125, 1822505, 5216135, 7855625, 9112525, 26080675, 30253583, 45562625, 130403375, 151267915, 227813125, 652016875, 756339575, 3781697875, 18908489375]

約数ペア:

[(1, 18908489375), (5, 3781697875), (25, 756339575), (29, 652016875), (83, 227813125), (125, 151267915), (145, 130403375), (415, 45562625), (625, 30253583), (725, 26080675), (2075, 9112525), (2407, 7855625), (3625, 5216135), (10375, 1822505), (12035, 1571125), (12569, 1504375), (18125, 1043227), (51875, 364501), (60175, 314225), (62845, 300875)]