2019650440

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{291857}}^1$

素因数の和:292041

約数の個数: 32

約数和(自身を含む): 4570496280

約数和(自身を除く): 2550845840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 291857, 583714, 1167428, 1459285, 2334856, 2918570, 5837140, 11674280, 50491261, 100982522, 201965044, 252456305, 403930088, 504912610, 1009825220, 2019650440]

約数ペア:

[(1, 2019650440), (2, 1009825220), (4, 504912610), (5, 403930088), (8, 252456305), (10, 201965044), (20, 100982522), (40, 50491261), (173, 11674280), (346, 5837140), (692, 2918570), (865, 2334856), (1384, 1459285), (1730, 1167428), (3460, 583714), (6920, 291857)]