28935625

素因数分解:

$5^4\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:778

約数の個数: 20

約数和(自身を含む): 36750736

約数和(自身を除く): 7815111

約数列:

[1, 5, 25, 67, 125, 335, 625, 691, 1675, 3455, 8375, 17275, 41875, 46297, 86375, 231485, 431875, 1157425, 5787125, 28935625]

約数ペア:

[(1, 28935625), (5, 5787125), (25, 1157425), (67, 431875), (125, 231485), (335, 86375), (625, 46297), (691, 41875), (1675, 17275), (3455, 8375)]