64787680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23819}}^1$

素因数の和:23851

約数の個数: 48

約数和(自身を含む): 162071280

約数和(自身を除く): 97283600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 23819, 47638, 95276, 119095, 190552, 238190, 381104, 404923, 476380, 762208, 809846, 952760, 1619692, 1905520, 2024615, 3239384, 3811040, 4049230, 6478768, 8098460, 12957536, 16196920, 32393840, 64787680]

約数ペア:

[(1, 64787680), (2, 32393840), (4, 16196920), (5, 12957536), (8, 8098460), (10, 6478768), (16, 4049230), (17, 3811040), (20, 3239384), (32, 2024615), (34, 1905520), (40, 1619692), (68, 952760), (80, 809846), (85, 762208), (136, 476380), (160, 404923), (170, 381104), (272, 238190), (340, 190552), (544, 119095), (680, 95276), (1360, 47638), (2720, 23819)]