391569560

素因数分解:

$2^3\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{4801}}^1$

素因数の和:6851

約数の個数: 32

約数和(自身を含む): 881647200

約数和(自身を除く): 490077640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2039, 4078, 4801, 8156, 9602, 10195, 16312, 19204, 20390, 24005, 38408, 40780, 48010, 81560, 96020, 192040, 9789239, 19578478, 39156956, 48946195, 78313912, 97892390, 195784780, 391569560]

約数ペア:

[(1, 391569560), (2, 195784780), (4, 97892390), (5, 78313912), (8, 48946195), (10, 39156956), (20, 19578478), (40, 9789239), (2039, 192040), (4078, 96020), (4801, 81560), (8156, 48010), (9602, 40780), (10195, 38408), (16312, 24005), (19204, 20390)]