15899440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8641}}^1$

素因数の和:8677

約数の個数: 40

約数和(自身を含む): 38577888

約数和(自身を除く): 22678448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 8641, 17282, 34564, 43205, 69128, 86410, 138256, 172820, 198743, 345640, 397486, 691280, 794972, 993715, 1589944, 1987430, 3179888, 3974860, 7949720, 15899440]

約数ペア:

[(1, 15899440), (2, 7949720), (4, 3974860), (5, 3179888), (8, 1987430), (10, 1589944), (16, 993715), (20, 794972), (23, 691280), (40, 397486), (46, 345640), (80, 198743), (92, 172820), (115, 138256), (184, 86410), (230, 69128), (368, 43205), (460, 34564), (920, 17282), (1840, 8641)]