65646980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7687}}^1$

素因数の和:7764

約数の個数: 48

約数和(自身を含む): 160156416

約数和(自身を除く): 94509436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 7687, 8540, 15374, 30748, 38435, 53809, 76870, 107618, 153740, 215236, 269045, 468907, 538090, 937814, 1076180, 1875628, 2344535, 3282349, 4689070, 6564698, 9378140, 13129396, 16411745, 32823490, 65646980]

約数ペア:

[(1, 65646980), (2, 32823490), (4, 16411745), (5, 13129396), (7, 9378140), (10, 6564698), (14, 4689070), (20, 3282349), (28, 2344535), (35, 1875628), (61, 1076180), (70, 937814), (122, 538090), (140, 468907), (244, 269045), (305, 215236), (427, 153740), (610, 107618), (854, 76870), (1220, 53809), (1708, 38435), (2135, 30748), (4270, 15374), (7687, 8540)]