7678640

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1811}}^1$

素因数の和:1877

約数の個数: 40

約数和(自身を含む): 18199728

約数和(自身を除く): 10521088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 1811, 2120, 3622, 4240, 7244, 9055, 14488, 18110, 28976, 36220, 72440, 95983, 144880, 191966, 383932, 479915, 767864, 959830, 1535728, 1919660, 3839320, 7678640]

約数ペア:

[(1, 7678640), (2, 3839320), (4, 1919660), (5, 1535728), (8, 959830), (10, 767864), (16, 479915), (20, 383932), (40, 191966), (53, 144880), (80, 95983), (106, 72440), (212, 36220), (265, 28976), (424, 18110), (530, 14488), (848, 9055), (1060, 7244), (1811, 4240), (2120, 3622)]