51527560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1129}}^1$

素因数の和:1310

約数の個数: 64

約数和(自身を含む): 133430400

約数和(自身を除く): 81902840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1129, 1141, 1304, 1630, 2258, 2282, 3260, 4516, 4564, 5645, 5705, 6520, 7903, 9032, 9128, 11290, 11410, 15806, 22580, 22820, 31612, 39515, 45160, 45640, 63224, 79030, 158060, 184027, 316120, 368054, 736108, 920135, 1288189, 1472216, 1840270, 2576378, 3680540, 5152756, 6440945, 7361080, 10305512, 12881890, 25763780, 51527560]

約数ペア:

[(1, 51527560), (2, 25763780), (4, 12881890), (5, 10305512), (7, 7361080), (8, 6440945), (10, 5152756), (14, 3680540), (20, 2576378), (28, 1840270), (35, 1472216), (40, 1288189), (56, 920135), (70, 736108), (140, 368054), (163, 316120), (280, 184027), (326, 158060), (652, 79030), (815, 63224), (1129, 45640), (1141, 45160), (1304, 39515), (1630, 31612), (2258, 22820), (2282, 22580), (3260, 15806), (4516, 11410), (4564, 11290), (5645, 9128), (5705, 9032), (6520, 7903)]