12604220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 28576800

約数和(自身を除く): 15972580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 809, 820, 1558, 1618, 3116, 3236, 3895, 4045, 7790, 8090, 15371, 15580, 16180, 30742, 33169, 61484, 66338, 76855, 132676, 153710, 165845, 307420, 331690, 630211, 663380, 1260422, 2520844, 3151055, 6302110, 12604220]

約数ペア:

[(1, 12604220), (2, 6302110), (4, 3151055), (5, 2520844), (10, 1260422), (19, 663380), (20, 630211), (38, 331690), (41, 307420), (76, 165845), (82, 153710), (95, 132676), (164, 76855), (190, 66338), (205, 61484), (380, 33169), (410, 30742), (779, 16180), (809, 15580), (820, 15371), (1558, 8090), (1618, 7790), (3116, 4045), (3236, 3895)]