140138420

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{6917}}^1$

素因数の和:7939

約数の個数: 24

約数和(自身を含む): 294623784

約数和(自身を除く): 154485364

約数列:

[1, 2, 4, 5, 10, 20, 1013, 2026, 4052, 5065, 6917, 10130, 13834, 20260, 27668, 34585, 69170, 138340, 7006921, 14013842, 28027684, 35034605, 70069210, 140138420]

約数ペア:

[(1, 140138420), (2, 70069210), (4, 35034605), (5, 28027684), (10, 14013842), (20, 7006921), (1013, 138340), (2026, 69170), (4052, 34585), (5065, 27668), (6917, 20260), (10130, 13834)]