164013940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{200017}}^1$

素因数の和:200067

約数の個数: 24

約数和(自身を含む): 352831752

約数和(自身を除く): 188817812

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 200017, 400034, 800068, 1000085, 2000170, 4000340, 8200697, 16401394, 32802788, 41003485, 82006970, 164013940]

約数ペア:

[(1, 164013940), (2, 82006970), (4, 41003485), (5, 32802788), (10, 16401394), (20, 8200697), (41, 4000340), (82, 2000170), (164, 1000085), (205, 800068), (410, 400034), (820, 200017)]