27895990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3581}}^1$

素因数の和:3648

約数の個数: 32

約数和(自身を含む): 54159840

約数和(自身を除く): 26263850

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3581, 3895, 7162, 7790, 17905, 35810, 68039, 136078, 146821, 293642, 340195, 680390, 734105, 1468210, 2789599, 5579198, 13947995, 27895990]

約数ペア:

[(1, 27895990), (2, 13947995), (5, 5579198), (10, 2789599), (19, 1468210), (38, 734105), (41, 680390), (82, 340195), (95, 293642), (190, 146821), (205, 136078), (410, 68039), (779, 35810), (1558, 17905), (3581, 7790), (3895, 7162)]