51089560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 118195200

約数和(自身を除く): 67105640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 113, 127, 178, 226, 254, 356, 445, 452, 508, 565, 635, 712, 890, 904, 1016, 1130, 1270, 1780, 2260, 2540, 3560, 4520, 5080, 10057, 11303, 14351, 20114, 22606, 28702, 40228, 45212, 50285, 56515, 57404, 71755, 80456, 90424, 100570, 113030, 114808, 143510, 201140, 226060, 287020, 402280, 452120, 574040, 1277239, 2554478, 5108956, 6386195, 10217912, 12772390, 25544780, 51089560]

約数ペア:

[(1, 51089560), (2, 25544780), (4, 12772390), (5, 10217912), (8, 6386195), (10, 5108956), (20, 2554478), (40, 1277239), (89, 574040), (113, 452120), (127, 402280), (178, 287020), (226, 226060), (254, 201140), (356, 143510), (445, 114808), (452, 113030), (508, 100570), (565, 90424), (635, 80456), (712, 71755), (890, 57404), (904, 56515), (1016, 50285), (1130, 45212), (1270, 40228), (1780, 28702), (2260, 22606), (2540, 20114), (3560, 14351), (4520, 11303), (5080, 10057)]