12635380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 28647360

約数和(自身を除く): 16011980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 811, 820, 1558, 1622, 3116, 3244, 3895, 4055, 7790, 8110, 15409, 15580, 16220, 30818, 33251, 61636, 66502, 77045, 133004, 154090, 166255, 308180, 332510, 631769, 665020, 1263538, 2527076, 3158845, 6317690, 12635380]

約数ペア:

[(1, 12635380), (2, 6317690), (4, 3158845), (5, 2527076), (10, 1263538), (19, 665020), (20, 631769), (38, 332510), (41, 308180), (76, 166255), (82, 154090), (95, 133004), (164, 77045), (190, 66502), (205, 61636), (380, 33251), (410, 30818), (779, 16220), (811, 15580), (820, 15409), (1558, 8110), (1622, 7790), (3116, 4055), (3244, 3895)]