15666520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23039}}^1$

素因数の和:23067

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 21658280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 23039, 46078, 92156, 115195, 184312, 230390, 391663, 460780, 783326, 921560, 1566652, 1958315, 3133304, 3916630, 7833260, 15666520]

約数ペア:

[(1, 15666520), (2, 7833260), (4, 3916630), (5, 3133304), (8, 1958315), (10, 1566652), (17, 921560), (20, 783326), (34, 460780), (40, 391663), (68, 230390), (85, 184312), (136, 115195), (170, 92156), (340, 46078), (680, 23039)]