87998540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{628561}}^1$

素因数の和:628577

約数の個数: 24

約数和(自身を含む): 211196832

約数和(自身を除く): 123198292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 628561, 1257122, 2514244, 3142805, 4399927, 6285610, 8799854, 12571220, 17599708, 21999635, 43999270, 87998540]

約数ペア:

[(1, 87998540), (2, 43999270), (4, 21999635), (5, 17599708), (7, 12571220), (10, 8799854), (14, 6285610), (20, 4399927), (28, 3142805), (35, 2514244), (70, 1257122), (140, 628561)]