2025996875

素因数分解:

$5^5\times 7^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 2997651888

約数和(自身を除く): 971655013

約数列:

[1, 5, 7, 25, 35, 49, 101, 125, 131, 175, 245, 505, 625, 655, 707, 875, 917, 1225, 2525, 3125, 3275, 3535, 4375, 4585, 4949, 6125, 6419, 12625, 13231, 16375, 17675, 21875, 22925, 24745, 30625, 32095, 63125, 66155, 81875, 88375, 92617, 114625, 123725, 153125, 160475, 315625, 330775, 409375, 441875, 463085, 573125, 618625, 648319, 802375, 1653875, 2209375, 2315425, 2865625, 3093125, 3241595, 4011875, 8269375, 11577125, 15465625, 16207975, 20059375, 41346875, 57885625, 81039875, 289428125, 405199375, 2025996875]

約数ペア:

[(1, 2025996875), (5, 405199375), (7, 289428125), (25, 81039875), (35, 57885625), (49, 41346875), (101, 20059375), (125, 16207975), (131, 15465625), (175, 11577125), (245, 8269375), (505, 4011875), (625, 3241595), (655, 3093125), (707, 2865625), (875, 2315425), (917, 2209375), (1225, 1653875), (2525, 802375), (3125, 648319), (3275, 618625), (3535, 573125), (4375, 463085), (4585, 441875), (4949, 409375), (6125, 330775), (6419, 315625), (12625, 160475), (13231, 153125), (16375, 123725), (17675, 114625), (21875, 92617), (22925, 88375), (24745, 81875), (30625, 66155), (32095, 63125)]