37439980

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1889}}^1$

素因数の和:2889

約数の個数: 24

約数和(自身を含む): 78744960

約数和(自身を除く): 41304980

約数列:

[1, 2, 4, 5, 10, 20, 991, 1889, 1982, 3778, 3964, 4955, 7556, 9445, 9910, 18890, 19820, 37780, 1871999, 3743998, 7487996, 9359995, 18719990, 37439980]

約数ペア:

[(1, 37439980), (2, 18719990), (4, 9359995), (5, 7487996), (10, 3743998), (20, 1871999), (991, 37780), (1889, 19820), (1982, 18890), (3778, 9910), (3964, 9445), (4955, 7556)]