25505870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6329}}^1$

素因数の和:6380

約数の個数: 32

約数和(自身を含む): 51045120

約数和(自身を除く): 25539250

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6329, 12658, 31645, 63290, 82277, 164554, 196199, 392398, 411385, 822770, 980995, 1961990, 2550587, 5101174, 12752935, 25505870]

約数ペア:

[(1, 25505870), (2, 12752935), (5, 5101174), (10, 2550587), (13, 1961990), (26, 980995), (31, 822770), (62, 411385), (65, 392398), (130, 196199), (155, 164554), (310, 82277), (403, 63290), (806, 31645), (2015, 12658), (4030, 6329)]