55791980

素因数分解:

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

素因数の和:3650

約数の個数: 48

約数和(自身を含む): 126372960

約数和(自身を除く): 70580980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3581, 3895, 7162, 7790, 14324, 15580, 17905, 35810, 68039, 71620, 136078, 146821, 272156, 293642, 340195, 587284, 680390, 734105, 1360780, 1468210, 2789599, 2936420, 5579198, 11158396, 13947995, 27895990, 55791980]

約数ペア:

[(1, 55791980), (2, 27895990), (4, 13947995), (5, 11158396), (10, 5579198), (19, 2936420), (20, 2789599), (38, 1468210), (41, 1360780), (76, 734105), (82, 680390), (95, 587284), (164, 340195), (190, 293642), (205, 272156), (380, 146821), (410, 136078), (779, 71620), (820, 68039), (1558, 35810), (3116, 17905), (3581, 15580), (3895, 14324), (7162, 7790)]