201615440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193861}}^1$

素因数の和:193887

約数の個数: 40

約数和(自身を含む): 504816648

約数和(自身を除く): 303201208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 193861, 387722, 775444, 969305, 1550888, 1938610, 2520193, 3101776, 3877220, 5040386, 7754440, 10080772, 12600965, 15508880, 20161544, 25201930, 40323088, 50403860, 100807720, 201615440]

約数ペア:

[(1, 201615440), (2, 100807720), (4, 50403860), (5, 40323088), (8, 25201930), (10, 20161544), (13, 15508880), (16, 12600965), (20, 10080772), (26, 7754440), (40, 5040386), (52, 3877220), (65, 3101776), (80, 2520193), (104, 1938610), (130, 1550888), (208, 969305), (260, 775444), (520, 387722), (1040, 193861)]