25428640

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1543}}^1$

素因数の和:1661

約数の個数: 48

約数和(自身を含む): 60697728

約数和(自身を除く): 35269088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1543, 1648, 2060, 3086, 3296, 4120, 6172, 7715, 8240, 12344, 15430, 16480, 24688, 30860, 49376, 61720, 123440, 158929, 246880, 317858, 635716, 794645, 1271432, 1589290, 2542864, 3178580, 5085728, 6357160, 12714320, 25428640]

約数ペア:

[(1, 25428640), (2, 12714320), (4, 6357160), (5, 5085728), (8, 3178580), (10, 2542864), (16, 1589290), (20, 1271432), (32, 794645), (40, 635716), (80, 317858), (103, 246880), (160, 158929), (206, 123440), (412, 61720), (515, 49376), (824, 30860), (1030, 24688), (1543, 16480), (1648, 15430), (2060, 12344), (3086, 8240), (3296, 7715), (4120, 6172)]