684146920

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{13331}}^1$

素因数の和:14625

約数の個数: 32

約数和(自身を含む): 1540645920

約数和(自身を除く): 856499000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 2566, 5132, 6415, 10264, 12830, 13331, 25660, 26662, 51320, 53324, 66655, 106648, 133310, 266620, 533240, 17103673, 34207346, 68414692, 85518365, 136829384, 171036730, 342073460, 684146920]

約数ペア:

[(1, 684146920), (2, 342073460), (4, 171036730), (5, 136829384), (8, 85518365), (10, 68414692), (20, 34207346), (40, 17103673), (1283, 533240), (2566, 266620), (5132, 133310), (6415, 106648), (10264, 66655), (12830, 53324), (13331, 51320), (25660, 26662)]