2017676180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{18433}}^1$

素因数の和:18876

約数の個数: 48

約数和(自身を含む): 4574139024

約数和(自身を除く): 2556462844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 421, 842, 1684, 2105, 4210, 5473, 8420, 10946, 18433, 21892, 27365, 36866, 54730, 73732, 92165, 109460, 184330, 239629, 368660, 479258, 958516, 1198145, 2396290, 4792580, 7760293, 15520586, 31041172, 38801465, 77602930, 100883809, 155205860, 201767618, 403535236, 504419045, 1008838090, 2017676180]

約数ペア:

[(1, 2017676180), (2, 1008838090), (4, 504419045), (5, 403535236), (10, 201767618), (13, 155205860), (20, 100883809), (26, 77602930), (52, 38801465), (65, 31041172), (130, 15520586), (260, 7760293), (421, 4792580), (842, 2396290), (1684, 1198145), (2105, 958516), (4210, 479258), (5473, 368660), (8420, 239629), (10946, 184330), (18433, 109460), (21892, 92165), (27365, 73732), (36866, 54730)]