28172125

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 9567395

約数列:

[1, 5, 23, 25, 41, 115, 125, 205, 239, 575, 943, 1025, 1195, 2875, 4715, 5125, 5497, 5975, 9799, 23575, 27485, 29875, 48995, 117875, 137425, 225377, 244975, 687125, 1126885, 1224875, 5634425, 28172125]

約数ペア:

[(1, 28172125), (5, 5634425), (23, 1224875), (25, 1126885), (41, 687125), (115, 244975), (125, 225377), (205, 137425), (239, 117875), (575, 48995), (943, 29875), (1025, 27485), (1195, 23575), (2875, 9799), (4715, 5975), (5125, 5497)]