1881079760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3359071}}^1$

素因数の和:3359091

約数の個数: 40

約数和(自身を含む): 4998299136

約数和(自身を除く): 3117219376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3359071, 6718142, 13436284, 16795355, 23513497, 26872568, 33590710, 47026994, 53745136, 67181420, 94053988, 117567485, 134362840, 188107976, 235134970, 268725680, 376215952, 470269940, 940539880, 1881079760]

約数ペア:

[(1, 1881079760), (2, 940539880), (4, 470269940), (5, 376215952), (7, 268725680), (8, 235134970), (10, 188107976), (14, 134362840), (16, 117567485), (20, 94053988), (28, 67181420), (35, 53745136), (40, 47026994), (56, 33590710), (70, 26872568), (80, 23513497), (112, 16795355), (140, 13436284), (280, 6718142), (560, 3359071)]