7924040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 19388160

約数和(自身を除く): 11464120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 271, 340, 344, 430, 542, 680, 731, 860, 1084, 1355, 1462, 1720, 2168, 2710, 2924, 3655, 4607, 5420, 5848, 7310, 9214, 10840, 11653, 14620, 18428, 23035, 23306, 29240, 36856, 46070, 46612, 58265, 92140, 93224, 116530, 184280, 198101, 233060, 396202, 466120, 792404, 990505, 1584808, 1981010, 3962020, 7924040]

約数ペア:

[(1, 7924040), (2, 3962020), (4, 1981010), (5, 1584808), (8, 990505), (10, 792404), (17, 466120), (20, 396202), (34, 233060), (40, 198101), (43, 184280), (68, 116530), (85, 93224), (86, 92140), (136, 58265), (170, 46612), (172, 46070), (215, 36856), (271, 29240), (340, 23306), (344, 23035), (430, 18428), (542, 14620), (680, 11653), (731, 10840), (860, 9214), (1084, 7310), (1355, 5848), (1462, 5420), (1720, 4607), (2168, 3655), (2710, 2924)]