40139876

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 84516096

約数和(自身を除く): 44376220

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 157, 161, 314, 322, 397, 628, 644, 794, 1099, 1588, 2198, 2779, 3611, 4396, 5558, 7222, 9131, 11116, 14444, 18262, 25277, 36524, 50554, 62329, 63917, 101108, 124658, 127834, 249316, 255668, 436303, 872606, 1433567, 1745212, 2867134, 5734268, 10034969, 20069938, 40139876]

約数ペア:

[(1, 40139876), (2, 20069938), (4, 10034969), (7, 5734268), (14, 2867134), (23, 1745212), (28, 1433567), (46, 872606), (92, 436303), (157, 255668), (161, 249316), (314, 127834), (322, 124658), (397, 101108), (628, 63917), (644, 62329), (794, 50554), (1099, 36524), (1588, 25277), (2198, 18262), (2779, 14444), (3611, 11116), (4396, 9131), (5558, 7222)]