61244980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3931}}^1$

素因数の和:4000

約数の個数: 48

約数和(自身を含む): 138720960

約数和(自身を除く): 77475980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 3931, 7790, 7862, 15580, 15724, 19655, 39310, 74689, 78620, 149378, 161171, 298756, 322342, 373445, 644684, 746890, 805855, 1493780, 1611710, 3062249, 3223420, 6124498, 12248996, 15311245, 30622490, 61244980]

約数ペア:

[(1, 61244980), (2, 30622490), (4, 15311245), (5, 12248996), (10, 6124498), (19, 3223420), (20, 3062249), (38, 1611710), (41, 1493780), (76, 805855), (82, 746890), (95, 644684), (164, 373445), (190, 322342), (205, 298756), (380, 161171), (410, 149378), (779, 78620), (820, 74689), (1558, 39310), (3116, 19655), (3895, 15724), (3931, 15580), (7790, 7862)]