1531635625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1439}}^1$

素因数の和:1603

約数の個数: 40

約数和(自身を含む): 2078334720

約数和(自身を除く): 546699095

約数列:

[1, 5, 13, 25, 65, 125, 131, 325, 625, 655, 1439, 1625, 1703, 3275, 7195, 8125, 8515, 16375, 18707, 35975, 42575, 81875, 93535, 179875, 188509, 212875, 467675, 899375, 942545, 1064375, 2338375, 2450617, 4712725, 11691875, 12253085, 23563625, 61265425, 117818125, 306327125, 1531635625]

約数ペア:

[(1, 1531635625), (5, 306327125), (13, 117818125), (25, 61265425), (65, 23563625), (125, 12253085), (131, 11691875), (325, 4712725), (625, 2450617), (655, 2338375), (1439, 1064375), (1625, 942545), (1703, 899375), (3275, 467675), (7195, 212875), (8125, 188509), (8515, 179875), (16375, 93535), (18707, 81875), (35975, 42575)]