2087450480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{12911}}^1$

素因数の和:13014

約数の個数: 80

約数和(自身を含む): 5072246784

約数和(自身を除く): 2984796304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 688, 752, 860, 940, 1720, 1880, 2021, 3440, 3760, 4042, 8084, 10105, 12911, 16168, 20210, 25822, 32336, 40420, 51644, 64555, 80840, 103288, 129110, 161680, 206576, 258220, 516440, 555173, 606817, 1032880, 1110346, 1213634, 2220692, 2427268, 2775865, 3034085, 4441384, 4854536, 5551730, 6068170, 8882768, 9709072, 11103460, 12136340, 22206920, 24272680, 26093131, 44413840, 48545360, 52186262, 104372524, 130465655, 208745048, 260931310, 417490096, 521862620, 1043725240, 2087450480]

約数ペア:

[(1, 2087450480), (2, 1043725240), (4, 521862620), (5, 417490096), (8, 260931310), (10, 208745048), (16, 130465655), (20, 104372524), (40, 52186262), (43, 48545360), (47, 44413840), (80, 26093131), (86, 24272680), (94, 22206920), (172, 12136340), (188, 11103460), (215, 9709072), (235, 8882768), (344, 6068170), (376, 5551730), (430, 4854536), (470, 4441384), (688, 3034085), (752, 2775865), (860, 2427268), (940, 2220692), (1720, 1213634), (1880, 1110346), (2021, 1032880), (3440, 606817), (3760, 555173), (4042, 516440), (8084, 258220), (10105, 206576), (12911, 161680), (16168, 129110), (20210, 103288), (25822, 80840), (32336, 64555), (40420, 51644)]