4075760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3919}}^1$

素因数の和:3945

約数の個数: 40

約数和(自身を含む): 10207680

約数和(自身を除く): 6131920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3919, 7838, 15676, 19595, 31352, 39190, 50947, 62704, 78380, 101894, 156760, 203788, 254735, 313520, 407576, 509470, 815152, 1018940, 2037880, 4075760]

約数ペア:

[(1, 4075760), (2, 2037880), (4, 1018940), (5, 815152), (8, 509470), (10, 407576), (13, 313520), (16, 254735), (20, 203788), (26, 156760), (40, 101894), (52, 78380), (65, 62704), (80, 50947), (104, 39190), (130, 31352), (208, 19595), (260, 15676), (520, 7838), (1040, 3919)]