40505980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{17923}}^1$

素因数の和:18045

約数の個数: 24

約数和(自身を含む): 85820112

約数和(自身を除く): 45314132

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 17923, 35846, 71692, 89615, 179230, 358460, 2025299, 4050598, 8101196, 10126495, 20252990, 40505980]

約数ペア:

[(1, 40505980), (2, 20252990), (4, 10126495), (5, 8101196), (10, 4050598), (20, 2025299), (113, 358460), (226, 179230), (452, 89615), (565, 71692), (1130, 35846), (2260, 17923)]