1004025920

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:748

約数の個数: 112

約数和(自身を含む): 2469538368

約数和(自身を除く): 1465512448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 131, 160, 172, 215, 262, 320, 344, 430, 524, 557, 655, 688, 860, 1048, 1114, 1310, 1376, 1720, 2096, 2228, 2620, 2752, 2785, 3440, 4192, 4456, 5240, 5570, 5633, 6880, 8384, 8912, 10480, 11140, 11266, 13760, 17824, 20960, 22280, 22532, 23951, 28165, 35648, 41920, 44560, 45064, 47902, 56330, 72967, 89120, 90128, 95804, 112660, 119755, 145934, 178240, 180256, 191608, 225320, 239510, 291868, 360512, 364835, 383216, 450640, 479020, 583736, 729670, 766432, 901280, 958040, 1167472, 1459340, 1532864, 1802560, 1916080, 2334944, 2918680, 3137581, 3832160, 4669888, 5837360, 6275162, 7664320, 11674720, 12550324, 15687905, 23349440, 25100648, 31375810, 50201296, 62751620, 100402592, 125503240, 200805184, 251006480, 502012960, 1004025920]

約数ペア:

[(1, 1004025920), (2, 502012960), (4, 251006480), (5, 200805184), (8, 125503240), (10, 100402592), (16, 62751620), (20, 50201296), (32, 31375810), (40, 25100648), (43, 23349440), (64, 15687905), (80, 12550324), (86, 11674720), (131, 7664320), (160, 6275162), (172, 5837360), (215, 4669888), (262, 3832160), (320, 3137581), (344, 2918680), (430, 2334944), (524, 1916080), (557, 1802560), (655, 1532864), (688, 1459340), (860, 1167472), (1048, 958040), (1114, 901280), (1310, 766432), (1376, 729670), (1720, 583736), (2096, 479020), (2228, 450640), (2620, 383216), (2752, 364835), (2785, 360512), (3440, 291868), (4192, 239510), (4456, 225320), (5240, 191608), (5570, 180256), (5633, 178240), (6880, 145934), (8384, 119755), (8912, 112660), (10480, 95804), (11140, 90128), (11266, 89120), (13760, 72967), (17824, 56330), (20960, 47902), (22280, 45064), (22532, 44560), (23951, 41920), (28165, 35648)]