67681540

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{7639}}^1$

素因数の和:8091

約数の個数: 24

約数和(自身を含む): 142470720

約数和(自身を除く): 74789180

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 7639, 8860, 15278, 30556, 38195, 76390, 152780, 3384077, 6768154, 13536308, 16920385, 33840770, 67681540]

約数ペア:

[(1, 67681540), (2, 33840770), (4, 16920385), (5, 13536308), (10, 6768154), (20, 3384077), (443, 152780), (886, 76390), (1772, 38195), (2215, 30556), (4430, 15278), (7639, 8860)]