1618587580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1063}}^1\times {\mathrm{4007}}^1$

素因数の和:5098

約数の個数: 48

約数和(自身を含む): 3582190080

約数和(自身を除く): 1963602500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1063, 2126, 4007, 4252, 5315, 8014, 10630, 16028, 20035, 20197, 21260, 40070, 40394, 76133, 80140, 80788, 100985, 152266, 201970, 304532, 380665, 403940, 761330, 1522660, 4259441, 8518882, 17037764, 21297205, 42594410, 80929379, 85188820, 161858758, 323717516, 404646895, 809293790, 1618587580]

約数ペア:

[(1, 1618587580), (2, 809293790), (4, 404646895), (5, 323717516), (10, 161858758), (19, 85188820), (20, 80929379), (38, 42594410), (76, 21297205), (95, 17037764), (190, 8518882), (380, 4259441), (1063, 1522660), (2126, 761330), (4007, 403940), (4252, 380665), (5315, 304532), (8014, 201970), (10630, 152266), (16028, 100985), (20035, 80788), (20197, 80140), (21260, 76133), (40070, 40394)]