80104720

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6143}}^1$

素因数の和:6319

約数の個数: 40

約数和(自身を含む): 187416576

約数和(自身を除く): 107311856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6143, 6520, 12286, 13040, 24572, 30715, 49144, 61430, 98288, 122860, 245720, 491440, 1001309, 2002618, 4005236, 5006545, 8010472, 10013090, 16020944, 20026180, 40052360, 80104720]

約数ペア:

[(1, 80104720), (2, 40052360), (4, 20026180), (5, 16020944), (8, 10013090), (10, 8010472), (16, 5006545), (20, 4005236), (40, 2002618), (80, 1001309), (163, 491440), (326, 245720), (652, 122860), (815, 98288), (1304, 61430), (1630, 49144), (2608, 30715), (3260, 24572), (6143, 13040), (6520, 12286)]