13941640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8501}}^1$

素因数の和:8553

約数の個数: 32

約数和(自身を含む): 32137560

約数和(自身を除く): 18195920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 8501, 17002, 34004, 42505, 68008, 85010, 170020, 340040, 348541, 697082, 1394164, 1742705, 2788328, 3485410, 6970820, 13941640]

約数ペア:

[(1, 13941640), (2, 6970820), (4, 3485410), (5, 2788328), (8, 1742705), (10, 1394164), (20, 697082), (40, 348541), (41, 340040), (82, 170020), (164, 85010), (205, 68008), (328, 42505), (410, 34004), (820, 17002), (1640, 8501)]