1640355920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2929207}}^1$

素因数の和:2929227

約数の個数: 40

約数和(自身を含む): 4358661504

約数和(自身を除く): 2718305584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2929207, 5858414, 11716828, 14646035, 20504449, 23433656, 29292070, 41008898, 46867312, 58584140, 82017796, 102522245, 117168280, 164035592, 205044490, 234336560, 328071184, 410088980, 820177960, 1640355920]

約数ペア:

[(1, 1640355920), (2, 820177960), (4, 410088980), (5, 328071184), (7, 234336560), (8, 205044490), (10, 164035592), (14, 117168280), (16, 102522245), (20, 82017796), (28, 58584140), (35, 46867312), (40, 41008898), (56, 29292070), (70, 23433656), (80, 20504449), (112, 14646035), (140, 11716828), (280, 5858414), (560, 2929207)]