1993456861640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17041}}^1\times {\mathrm{37019}}^1$

素因数の和:54150

約数の個数: 64

約数和(自身を含む): 4542442848000

約数和(自身を除く): 2548985986360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 17041, 34082, 37019, 68164, 74038, 85205, 136328, 148076, 170410, 185095, 296152, 340820, 370190, 681640, 740380, 1346239, 1480760, 2692478, 2924501, 5384956, 5849002, 6731195, 10769912, 11698004, 13462390, 14622505, 23396008, 26924780, 29245010, 53849560, 58490020, 116980040, 630840779, 1261681558, 2523363116, 3154203895, 5046726232, 6308407790, 12616815580, 25233631160, 49836421541, 99672843082, 199345686164, 249182107705, 398691372328, 498364215410, 996728430820, 1993456861640]

約数ペア:

[(1, 1993456861640), (2, 996728430820), (4, 498364215410), (5, 398691372328), (8, 249182107705), (10, 199345686164), (20, 99672843082), (40, 49836421541), (79, 25233631160), (158, 12616815580), (316, 6308407790), (395, 5046726232), (632, 3154203895), (790, 2523363116), (1580, 1261681558), (3160, 630840779), (17041, 116980040), (34082, 58490020), (37019, 53849560), (68164, 29245010), (74038, 26924780), (85205, 23396008), (136328, 14622505), (148076, 13462390), (170410, 11698004), (185095, 10769912), (296152, 6731195), (340820, 5849002), (370190, 5384956), (681640, 2924501), (740380, 2692478), (1346239, 1480760)]