55317320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81349}}^1$

素因数の和:81377

約数の個数: 32

約数和(自身を含む): 131787000

約数和(自身を除く): 76469680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 81349, 162698, 325396, 406745, 650792, 813490, 1382933, 1626980, 2765866, 3253960, 5531732, 6914665, 11063464, 13829330, 27658660, 55317320]

約数ペア:

[(1, 55317320), (2, 27658660), (4, 13829330), (5, 11063464), (8, 6914665), (10, 5531732), (17, 3253960), (20, 2765866), (34, 1626980), (40, 1382933), (68, 813490), (85, 650792), (136, 406745), (170, 325396), (340, 162698), (680, 81349)]