25216625

素因数分解:

$5^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 38413440

約数和(自身を除く): 13196815

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 125, 161, 175, 179, 245, 575, 805, 875, 895, 1127, 1225, 1253, 2875, 4025, 4117, 4475, 5635, 6125, 6265, 8771, 20125, 20585, 22375, 28175, 28819, 31325, 43855, 102925, 140875, 144095, 156625, 201733, 219275, 514625, 720475, 1008665, 1096375, 3602375, 5043325, 25216625]

約数ペア:

[(1, 25216625), (5, 5043325), (7, 3602375), (23, 1096375), (25, 1008665), (35, 720475), (49, 514625), (115, 219275), (125, 201733), (161, 156625), (175, 144095), (179, 140875), (245, 102925), (575, 43855), (805, 31325), (875, 28819), (895, 28175), (1127, 22375), (1225, 20585), (1253, 20125), (2875, 8771), (4025, 6265), (4117, 6125), (4475, 5635)]