40220040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47881}}^1$

素因数の和:47902

約数の個数: 64

約数和(自身を含む): 137900160

約数和(自身を除く): 97680120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 47881, 95762, 143643, 191524, 239405, 287286, 335167, 383048, 478810, 574572, 670334, 718215, 957620, 1005501, 1149144, 1340668, 1436430, 1675835, 1915240, 2011002, 2681336, 2872860, 3351670, 4022004, 5027505, 5745720, 6703340, 8044008, 10055010, 13406680, 20110020, 40220040]

約数ペア:

[(1, 40220040), (2, 20110020), (3, 13406680), (4, 10055010), (5, 8044008), (6, 6703340), (7, 5745720), (8, 5027505), (10, 4022004), (12, 3351670), (14, 2872860), (15, 2681336), (20, 2011002), (21, 1915240), (24, 1675835), (28, 1436430), (30, 1340668), (35, 1149144), (40, 1005501), (42, 957620), (56, 718215), (60, 670334), (70, 574572), (84, 478810), (105, 383048), (120, 335167), (140, 287286), (168, 239405), (210, 191524), (280, 143643), (420, 95762), (840, 47881)]