40378870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1453}}^1$

素因数の和:1864

約数の個数: 32

約数和(自身を含む): 83331648

約数和(自身を除く): 42952778

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1453, 1985, 2779, 2906, 3970, 5558, 7265, 10171, 13895, 14530, 20342, 27790, 50855, 101710, 576841, 1153682, 2884205, 4037887, 5768410, 8075774, 20189435, 40378870]

約数ペア:

[(1, 40378870), (2, 20189435), (5, 8075774), (7, 5768410), (10, 4037887), (14, 2884205), (35, 1153682), (70, 576841), (397, 101710), (794, 50855), (1453, 27790), (1985, 20342), (2779, 14530), (2906, 13895), (3970, 10171), (5558, 7265)]