61775870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15329}}^1$

素因数の和:15380

約数の個数: 32

約数和(自身を含む): 123621120

約数和(自身を除く): 61845250

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 15329, 30658, 76645, 153290, 199277, 398554, 475199, 950398, 996385, 1992770, 2375995, 4751990, 6177587, 12355174, 30887935, 61775870]

約数ペア:

[(1, 61775870), (2, 30887935), (5, 12355174), (10, 6177587), (13, 4751990), (26, 2375995), (31, 1992770), (62, 996385), (65, 950398), (130, 475199), (155, 398554), (310, 199277), (403, 153290), (806, 76645), (2015, 30658), (4030, 15329)]