40870420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{38557}}^1$

素因数の和:38619

約数の個数: 24

約数和(自身を含む): 87449544

約数和(自身を除く): 46579124

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 38557, 77114, 154228, 192785, 385570, 771140, 2043521, 4087042, 8174084, 10217605, 20435210, 40870420]

約数ペア:

[(1, 40870420), (2, 20435210), (4, 10217605), (5, 8174084), (10, 4087042), (20, 2043521), (53, 771140), (106, 385570), (212, 192785), (265, 154228), (530, 77114), (1060, 38557)]