20110240

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 50561280

約数和(自身を除く): 30451040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 74, 79, 80, 86, 148, 158, 160, 172, 185, 215, 296, 316, 344, 370, 395, 430, 592, 632, 688, 740, 790, 860, 1184, 1264, 1376, 1480, 1580, 1591, 1720, 2528, 2923, 2960, 3160, 3182, 3397, 3440, 5846, 5920, 6320, 6364, 6794, 6880, 7955, 11692, 12640, 12728, 13588, 14615, 15910, 16985, 23384, 25456, 27176, 29230, 31820, 33970, 46768, 50912, 54352, 58460, 63640, 67940, 93536, 108704, 116920, 125689, 127280, 135880, 233840, 251378, 254560, 271760, 467680, 502756, 543520, 628445, 1005512, 1256890, 2011024, 2513780, 4022048, 5027560, 10055120, 20110240]

約数ペア:

[(1, 20110240), (2, 10055120), (4, 5027560), (5, 4022048), (8, 2513780), (10, 2011024), (16, 1256890), (20, 1005512), (32, 628445), (37, 543520), (40, 502756), (43, 467680), (74, 271760), (79, 254560), (80, 251378), (86, 233840), (148, 135880), (158, 127280), (160, 125689), (172, 116920), (185, 108704), (215, 93536), (296, 67940), (316, 63640), (344, 58460), (370, 54352), (395, 50912), (430, 46768), (592, 33970), (632, 31820), (688, 29230), (740, 27176), (790, 25456), (860, 23384), (1184, 16985), (1264, 15910), (1376, 14615), (1480, 13588), (1580, 12728), (1591, 12640), (1720, 11692), (2528, 7955), (2923, 6880), (2960, 6794), (3160, 6364), (3182, 6320), (3397, 5920), (3440, 5846)]