49685870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12329}}^1$

素因数の和:12380

約数の個数: 32

約数和(自身を含む): 99429120

約数和(自身を除く): 49743250

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 12329, 24658, 61645, 123290, 160277, 320554, 382199, 764398, 801385, 1602770, 1910995, 3821990, 4968587, 9937174, 24842935, 49685870]

約数ペア:

[(1, 49685870), (2, 24842935), (5, 9937174), (10, 4968587), (13, 3821990), (26, 1910995), (31, 1602770), (62, 801385), (65, 764398), (130, 382199), (155, 320554), (310, 160277), (403, 123290), (806, 61645), (2015, 24658), (4030, 12329)]