71422420

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{5419}}^1$

素因数の和:6087

約数の個数: 24

約数和(自身を含む): 150242400

約数和(自身を除く): 78819980

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3295, 5419, 6590, 10838, 13180, 21676, 27095, 54190, 108380, 3571121, 7142242, 14284484, 17855605, 35711210, 71422420]

約数ペア:

[(1, 71422420), (2, 35711210), (4, 17855605), (5, 14284484), (10, 7142242), (20, 3571121), (659, 108380), (1318, 54190), (2636, 27095), (3295, 21676), (5419, 13180), (6590, 10838)]