25376020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 57435840

約数和(自身を除く): 32059820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1553, 1634, 3106, 3268, 4085, 6212, 7765, 8170, 15530, 16340, 29507, 31060, 59014, 66779, 118028, 133558, 147535, 267116, 295070, 333895, 590140, 667790, 1268801, 1335580, 2537602, 5075204, 6344005, 12688010, 25376020]

約数ペア:

[(1, 25376020), (2, 12688010), (4, 6344005), (5, 5075204), (10, 2537602), (19, 1335580), (20, 1268801), (38, 667790), (43, 590140), (76, 333895), (86, 295070), (95, 267116), (172, 147535), (190, 133558), (215, 118028), (380, 66779), (430, 59014), (817, 31060), (860, 29507), (1553, 16340), (1634, 15530), (3106, 8170), (3268, 7765), (4085, 6212)]