16828120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 39852000

約数和(自身を除く): 23023880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 116, 145, 163, 178, 232, 290, 326, 356, 445, 580, 652, 712, 815, 890, 1160, 1304, 1630, 1780, 2581, 3260, 3560, 4727, 5162, 6520, 9454, 10324, 12905, 14507, 18908, 20648, 23635, 25810, 29014, 37816, 47270, 51620, 58028, 72535, 94540, 103240, 116056, 145070, 189080, 290140, 420703, 580280, 841406, 1682812, 2103515, 3365624, 4207030, 8414060, 16828120]

約数ペア:

[(1, 16828120), (2, 8414060), (4, 4207030), (5, 3365624), (8, 2103515), (10, 1682812), (20, 841406), (29, 580280), (40, 420703), (58, 290140), (89, 189080), (116, 145070), (145, 116056), (163, 103240), (178, 94540), (232, 72535), (290, 58028), (326, 51620), (356, 47270), (445, 37816), (580, 29014), (652, 25810), (712, 23635), (815, 20648), (890, 18908), (1160, 14507), (1304, 12905), (1630, 10324), (1780, 9454), (2581, 6520), (3260, 5162), (3560, 4727)]