40272040

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1861}}^1$

素因数の和:2413

約数の個数: 32

約数和(自身を含む): 90828360

約数和(自身を除く): 50556320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 1861, 2164, 2705, 3722, 4328, 5410, 7444, 9305, 10820, 14888, 18610, 21640, 37220, 74440, 1006801, 2013602, 4027204, 5034005, 8054408, 10068010, 20136020, 40272040]

約数ペア:

[(1, 40272040), (2, 20136020), (4, 10068010), (5, 8054408), (8, 5034005), (10, 4027204), (20, 2013602), (40, 1006801), (541, 74440), (1082, 37220), (1861, 21640), (2164, 18610), (2705, 14888), (3722, 10820), (4328, 9305), (5410, 7444)]