51213680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{91453}}^1$

素因数の和:91473

約数の個数: 40

約数和(自身を含む): 136083552

約数和(自身を除く): 84869872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 91453, 182906, 365812, 457265, 640171, 731624, 914530, 1280342, 1463248, 1829060, 2560684, 3200855, 3658120, 5121368, 6401710, 7316240, 10242736, 12803420, 25606840, 51213680]

約数ペア:

[(1, 51213680), (2, 25606840), (4, 12803420), (5, 10242736), (7, 7316240), (8, 6401710), (10, 5121368), (14, 3658120), (16, 3200855), (20, 2560684), (28, 1829060), (35, 1463248), (40, 1280342), (56, 914530), (70, 731624), (80, 640171), (112, 457265), (140, 365812), (280, 182906), (560, 91453)]