39380090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 73241280

約数和(自身を除く): 33861190

約数列:

[1, 2, 5, 10, 41, 82, 139, 205, 278, 410, 691, 695, 1382, 1390, 3455, 5699, 6910, 11398, 28331, 28495, 56662, 56990, 96049, 141655, 192098, 283310, 480245, 960490, 3938009, 7876018, 19690045, 39380090]

約数ペア:

[(1, 39380090), (2, 19690045), (5, 7876018), (10, 3938009), (41, 960490), (82, 480245), (139, 283310), (205, 192098), (278, 141655), (410, 96049), (691, 56990), (695, 56662), (1382, 28495), (1390, 28331), (3455, 11398), (5699, 6910)]