1645259620

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{479}}^1\times {\mathrm{653}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 3480744960

約数和(自身を除く): 1835485340

約数列:

[1, 2, 4, 5, 10, 20, 263, 479, 526, 653, 958, 1052, 1306, 1315, 1916, 2395, 2612, 2630, 3265, 4790, 5260, 6530, 9580, 13060, 125977, 171739, 251954, 312787, 343478, 503908, 625574, 629885, 686956, 858695, 1251148, 1259770, 1563935, 1717390, 2519540, 3127870, 3434780, 6255740, 82262981, 164525962, 329051924, 411314905, 822629810, 1645259620]

約数ペア:

[(1, 1645259620), (2, 822629810), (4, 411314905), (5, 329051924), (10, 164525962), (20, 82262981), (263, 6255740), (479, 3434780), (526, 3127870), (653, 2519540), (958, 1717390), (1052, 1563935), (1306, 1259770), (1315, 1251148), (1916, 858695), (2395, 686956), (2612, 629885), (2630, 625574), (3265, 503908), (4790, 343478), (5260, 312787), (6530, 251954), (9580, 171739), (13060, 125977)]