23212540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1223}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 53258688

約数和(自身を除く): 30046148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1223, 1460, 1898, 2446, 3796, 4745, 4892, 6115, 9490, 12230, 15899, 18980, 24460, 31798, 63596, 79495, 89279, 158990, 178558, 317980, 357116, 446395, 892790, 1160627, 1785580, 2321254, 4642508, 5803135, 11606270, 23212540]

約数ペア:

[(1, 23212540), (2, 11606270), (4, 5803135), (5, 4642508), (10, 2321254), (13, 1785580), (20, 1160627), (26, 892790), (52, 446395), (65, 357116), (73, 317980), (130, 178558), (146, 158990), (260, 89279), (292, 79495), (365, 63596), (730, 31798), (949, 24460), (1223, 18980), (1460, 15899), (1898, 12230), (2446, 9490), (3796, 6115), (4745, 4892)]