85840580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21143}}^1$

素因数の和:21188

約数の個数: 48

約数和(自身を含む): 213131520

約数和(自身を除く): 127290940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 21143, 42286, 84572, 105715, 148001, 211430, 296002, 422860, 592004, 613147, 740005, 1226294, 1480010, 2452588, 2960020, 3065735, 4292029, 6131470, 8584058, 12262940, 17168116, 21460145, 42920290, 85840580]

約数ペア:

[(1, 85840580), (2, 42920290), (4, 21460145), (5, 17168116), (7, 12262940), (10, 8584058), (14, 6131470), (20, 4292029), (28, 3065735), (29, 2960020), (35, 2452588), (58, 1480010), (70, 1226294), (116, 740005), (140, 613147), (145, 592004), (203, 422860), (290, 296002), (406, 211430), (580, 148001), (812, 105715), (1015, 84572), (2030, 42286), (4060, 21143)]