635748620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{78877}}^1$

素因数の和:78930

約数の個数: 48

約数和(自身を含む): 1484168448

約数和(自身を除く): 848419828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 78877, 157754, 315508, 394385, 788770, 1025401, 1577540, 2050802, 2445187, 4101604, 4890374, 5127005, 9780748, 10254010, 12225935, 20508020, 24451870, 31787431, 48903740, 63574862, 127149724, 158937155, 317874310, 635748620]

約数ペア:

[(1, 635748620), (2, 317874310), (4, 158937155), (5, 127149724), (10, 63574862), (13, 48903740), (20, 31787431), (26, 24451870), (31, 20508020), (52, 12225935), (62, 10254010), (65, 9780748), (124, 5127005), (130, 4890374), (155, 4101604), (260, 2445187), (310, 2050802), (403, 1577540), (620, 1025401), (806, 788770), (1612, 394385), (2015, 315508), (4030, 157754), (8060, 78877)]