1292042680

素因数分解:

$2^3\times 5^1\times {\mathrm{4517}}^1\times {\mathrm{7151}}^1$

素因数の和:11679

約数の個数: 32

約数和(自身を含む): 2908146240

約数和(自身を除く): 1616103560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4517, 7151, 9034, 14302, 18068, 22585, 28604, 35755, 36136, 45170, 57208, 71510, 90340, 143020, 180680, 286040, 32301067, 64602134, 129204268, 161505335, 258408536, 323010670, 646021340, 1292042680]

約数ペア:

[(1, 1292042680), (2, 646021340), (4, 323010670), (5, 258408536), (8, 161505335), (10, 129204268), (20, 64602134), (40, 32301067), (4517, 286040), (7151, 180680), (9034, 143020), (14302, 90340), (18068, 71510), (22585, 57208), (28604, 45170), (35755, 36136)]