2644520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3889}}^1$

素因数の和:3917

約数の個数: 32

約数和(自身を含む): 6301800

約数和(自身を除く): 3657280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 3889, 7778, 15556, 19445, 31112, 38890, 66113, 77780, 132226, 155560, 264452, 330565, 528904, 661130, 1322260, 2644520]

約数ペア:

[(1, 2644520), (2, 1322260), (4, 661130), (5, 528904), (8, 330565), (10, 264452), (17, 155560), (20, 132226), (34, 77780), (40, 66113), (68, 38890), (85, 31112), (136, 19445), (170, 15556), (340, 7778), (680, 3889)]