65327320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2072

約数の個数: 64

約数和(自身を含む): 158400000

約数和(自身を除く): 93072680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 1999, 3268, 3998, 4085, 6536, 7996, 8170, 9995, 15992, 16340, 19990, 32680, 37981, 39980, 75962, 79960, 85957, 151924, 171914, 189905, 303848, 343828, 379810, 429785, 687656, 759620, 859570, 1519240, 1633183, 1719140, 3266366, 3438280, 6532732, 8165915, 13065464, 16331830, 32663660, 65327320]

約数ペア:

[(1, 65327320), (2, 32663660), (4, 16331830), (5, 13065464), (8, 8165915), (10, 6532732), (19, 3438280), (20, 3266366), (38, 1719140), (40, 1633183), (43, 1519240), (76, 859570), (86, 759620), (95, 687656), (152, 429785), (172, 379810), (190, 343828), (215, 303848), (344, 189905), (380, 171914), (430, 151924), (760, 85957), (817, 79960), (860, 75962), (1634, 39980), (1720, 37981), (1999, 32680), (3268, 19990), (3998, 16340), (4085, 15992), (6536, 9995), (7996, 8170)]