28909640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{38039}}^1$

素因数の和:38069

約数の個数: 32

約数和(自身を含む): 68472000

約数和(自身を除く): 39562360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 38039, 76078, 152156, 190195, 304312, 380390, 722741, 760780, 1445482, 1521560, 2890964, 3613705, 5781928, 7227410, 14454820, 28909640]

約数ペア:

[(1, 28909640), (2, 14454820), (4, 7227410), (5, 5781928), (8, 3613705), (10, 2890964), (19, 1521560), (20, 1445482), (38, 760780), (40, 722741), (76, 380390), (95, 304312), (152, 190195), (190, 152156), (380, 76078), (760, 38039)]