51446920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4273}}^1$

素因数の和:4334

約数の個数: 64

約数和(自身を含む): 135400320

約数和(自身を除く): 83953400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 4273, 6020, 8546, 12040, 17092, 21365, 29911, 34184, 42730, 59822, 85460, 119644, 149555, 170920, 183739, 239288, 299110, 367478, 598220, 734956, 918695, 1196440, 1286173, 1469912, 1837390, 2572346, 3674780, 5144692, 6430865, 7349560, 10289384, 12861730, 25723460, 51446920]

約数ペア:

[(1, 51446920), (2, 25723460), (4, 12861730), (5, 10289384), (7, 7349560), (8, 6430865), (10, 5144692), (14, 3674780), (20, 2572346), (28, 1837390), (35, 1469912), (40, 1286173), (43, 1196440), (56, 918695), (70, 734956), (86, 598220), (140, 367478), (172, 299110), (215, 239288), (280, 183739), (301, 170920), (344, 149555), (430, 119644), (602, 85460), (860, 59822), (1204, 42730), (1505, 34184), (1720, 29911), (2408, 21365), (3010, 17092), (4273, 12040), (6020, 8546)]