70728580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1367}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 160876800

約数和(自身を除く): 90148220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1367, 1990, 2587, 2734, 3980, 5174, 5468, 6835, 10348, 12935, 13670, 17771, 25870, 27340, 35542, 51740, 71084, 88855, 177710, 272033, 355420, 544066, 1088132, 1360165, 2720330, 3536429, 5440660, 7072858, 14145716, 17682145, 35364290, 70728580]

約数ペア:

[(1, 70728580), (2, 35364290), (4, 17682145), (5, 14145716), (10, 7072858), (13, 5440660), (20, 3536429), (26, 2720330), (52, 1360165), (65, 1088132), (130, 544066), (199, 355420), (260, 272033), (398, 177710), (796, 88855), (995, 71084), (1367, 51740), (1990, 35542), (2587, 27340), (2734, 25870), (3980, 17771), (5174, 13670), (5468, 12935), (6835, 10348)]