28009970

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1289}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 52662960

約数和(自身を除く): 24652990

約数列:

[1, 2, 5, 10, 41, 53, 82, 106, 205, 265, 410, 530, 1289, 2173, 2578, 4346, 6445, 10865, 12890, 21730, 52849, 68317, 105698, 136634, 264245, 341585, 528490, 683170, 2800997, 5601994, 14004985, 28009970]

約数ペア:

[(1, 28009970), (2, 14004985), (5, 5601994), (10, 2800997), (41, 683170), (53, 528490), (82, 341585), (106, 264245), (205, 136634), (265, 105698), (410, 68317), (530, 52849), (1289, 21730), (2173, 12890), (2578, 10865), (4346, 6445)]