3978920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9043}}^1$

素因数の和:9065

約数の個数: 32

約数和(自身を含む): 9767520

約数和(自身を除く): 5788600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 9043, 18086, 36172, 45215, 72344, 90430, 99473, 180860, 198946, 361720, 397892, 497365, 795784, 994730, 1989460, 3978920]

約数ペア:

[(1, 3978920), (2, 1989460), (4, 994730), (5, 795784), (8, 497365), (10, 397892), (11, 361720), (20, 198946), (22, 180860), (40, 99473), (44, 90430), (55, 72344), (88, 45215), (110, 36172), (220, 18086), (440, 9043)]