27450020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 62995968

約数和(自身を除く): 35545948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1487, 1846, 2974, 3692, 4615, 5948, 7435, 9230, 14870, 18460, 19331, 29740, 38662, 77324, 96655, 105577, 193310, 211154, 386620, 422308, 527885, 1055770, 1372501, 2111540, 2745002, 5490004, 6862505, 13725010, 27450020]

約数ペア:

[(1, 27450020), (2, 13725010), (4, 6862505), (5, 5490004), (10, 2745002), (13, 2111540), (20, 1372501), (26, 1055770), (52, 527885), (65, 422308), (71, 386620), (130, 211154), (142, 193310), (260, 105577), (284, 96655), (355, 77324), (710, 38662), (923, 29740), (1420, 19331), (1487, 18460), (1846, 14870), (2974, 9230), (3692, 7435), (4615, 5948)]