15695780080

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{820909}}^1$

素因数の和:821161

約数の個数: 40

約数和(自身を含む): 36645422400

約数和(自身を除く): 20949642320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 19120, 820909, 1641818, 3283636, 4104545, 6567272, 8209090, 13134544, 16418180, 32836360, 65672720, 196197251, 392394502, 784789004, 980986255, 1569578008, 1961972510, 3139156016, 3923945020, 7847890040, 15695780080]

約数ペア:

[(1, 15695780080), (2, 7847890040), (4, 3923945020), (5, 3139156016), (8, 1961972510), (10, 1569578008), (16, 980986255), (20, 784789004), (40, 392394502), (80, 196197251), (239, 65672720), (478, 32836360), (956, 16418180), (1195, 13134544), (1912, 8209090), (2390, 6567272), (3824, 4104545), (4780, 3283636), (9560, 1641818), (19120, 820909)]