55067920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 133241472

約数和(自身を除く): 78173552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 103, 163, 164, 205, 206, 326, 328, 410, 412, 515, 652, 656, 815, 820, 824, 1030, 1304, 1630, 1640, 1648, 2060, 2608, 3260, 3280, 4120, 4223, 6520, 6683, 8240, 8446, 13040, 13366, 16789, 16892, 21115, 26732, 33415, 33578, 33784, 42230, 53464, 66830, 67156, 67568, 83945, 84460, 106928, 133660, 134312, 167890, 168920, 267320, 268624, 335780, 337840, 534640, 671560, 688349, 1343120, 1376698, 2753396, 3441745, 5506792, 6883490, 11013584, 13766980, 27533960, 55067920]

約数ペア:

[(1, 55067920), (2, 27533960), (4, 13766980), (5, 11013584), (8, 6883490), (10, 5506792), (16, 3441745), (20, 2753396), (40, 1376698), (41, 1343120), (80, 688349), (82, 671560), (103, 534640), (163, 337840), (164, 335780), (205, 268624), (206, 267320), (326, 168920), (328, 167890), (410, 134312), (412, 133660), (515, 106928), (652, 84460), (656, 83945), (815, 67568), (820, 67156), (824, 66830), (1030, 53464), (1304, 42230), (1630, 33784), (1640, 33578), (1648, 33415), (2060, 26732), (2608, 21115), (3260, 16892), (3280, 16789), (4120, 13366), (4223, 13040), (6520, 8446), (6683, 8240)]