2644394840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1406593}}^1$

素因数の和:1406651

約数の個数: 32

約数和(自身を含む): 6076486080

約数和(自身を除く): 3432091240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 1406593, 2813186, 5626372, 7032965, 11252744, 14065930, 28131860, 56263720, 66109871, 132219742, 264439484, 330549355, 528878968, 661098710, 1322197420, 2644394840]

約数ペア:

[(1, 2644394840), (2, 1322197420), (4, 661098710), (5, 528878968), (8, 330549355), (10, 264439484), (20, 132219742), (40, 66109871), (47, 56263720), (94, 28131860), (188, 14065930), (235, 11252744), (376, 7032965), (470, 5626372), (940, 2813186), (1880, 1406593)]