82340120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 190771200

約数和(自身を除く): 108431080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 79, 142, 158, 284, 316, 355, 367, 395, 568, 632, 710, 734, 790, 1420, 1468, 1580, 1835, 2840, 2936, 3160, 3670, 5609, 7340, 11218, 14680, 22436, 26057, 28045, 28993, 44872, 52114, 56090, 57986, 104228, 112180, 115972, 130285, 144965, 208456, 224360, 231944, 260570, 289930, 521140, 579860, 1042280, 1159720, 2058503, 4117006, 8234012, 10292515, 16468024, 20585030, 41170060, 82340120]

約数ペア:

[(1, 82340120), (2, 41170060), (4, 20585030), (5, 16468024), (8, 10292515), (10, 8234012), (20, 4117006), (40, 2058503), (71, 1159720), (79, 1042280), (142, 579860), (158, 521140), (284, 289930), (316, 260570), (355, 231944), (367, 224360), (395, 208456), (568, 144965), (632, 130285), (710, 115972), (734, 112180), (790, 104228), (1420, 57986), (1468, 56090), (1580, 52114), (1835, 44872), (2840, 28993), (2936, 28045), (3160, 26057), (3670, 22436), (5609, 14680), (7340, 11218)]