25261875

素因数分解:

$3^4\times 5^4\times {\mathrm{499}}^1$

素因数の和:531

約数の個数: 50

約数和(自身を含む): 47250500

約数和(自身を除く): 21988625

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 499, 625, 675, 1125, 1497, 1875, 2025, 2495, 3375, 4491, 5625, 7485, 10125, 12475, 13473, 16875, 22455, 37425, 40419, 50625, 62375, 67365, 112275, 187125, 202095, 311875, 336825, 561375, 935625, 1010475, 1684125, 2806875, 5052375, 8420625, 25261875]

約数ペア:

[(1, 25261875), (3, 8420625), (5, 5052375), (9, 2806875), (15, 1684125), (25, 1010475), (27, 935625), (45, 561375), (75, 336825), (81, 311875), (125, 202095), (135, 187125), (225, 112275), (375, 67365), (405, 62375), (499, 50625), (625, 40419), (675, 37425), (1125, 22455), (1497, 16875), (1875, 13473), (2025, 12475), (2495, 10125), (3375, 7485), (4491, 5625)]