84581720

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{5521}}^1$

素因数の和:5915

約数の個数: 32

約数和(自身を含む): 190840320

約数和(自身を除く): 106258600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 5521, 7660, 11042, 15320, 22084, 27605, 44168, 55210, 110420, 220840, 2114543, 4229086, 8458172, 10572715, 16916344, 21145430, 42290860, 84581720]

約数ペア:

[(1, 84581720), (2, 42290860), (4, 21145430), (5, 16916344), (8, 10572715), (10, 8458172), (20, 4229086), (40, 2114543), (383, 220840), (766, 110420), (1532, 55210), (1915, 44168), (3064, 27605), (3830, 22084), (5521, 15320), (7660, 11042)]