1288576760

素因数分解:

$2^3\times 5^1\times {\mathrm{32214419}}^1$

素因数の和:32214430

約数の個数: 16

約数和(自身を含む): 2899297800

約数和(自身を除く): 1610721040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32214419, 64428838, 128857676, 161072095, 257715352, 322144190, 644288380, 1288576760]

約数ペア:

[(1, 1288576760), (2, 644288380), (4, 322144190), (5, 257715352), (8, 161072095), (10, 128857676), (20, 64428838), (40, 32214419)]