13120160

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1907}}^1$

素因数の和:1965

約数の個数: 48

約数和(自身を含む): 31733856

約数和(自身を除く): 18613696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 1907, 3440, 3814, 6880, 7628, 9535, 15256, 19070, 30512, 38140, 61024, 76280, 82001, 152560, 164002, 305120, 328004, 410005, 656008, 820010, 1312016, 1640020, 2624032, 3280040, 6560080, 13120160]

約数ペア:

[(1, 13120160), (2, 6560080), (4, 3280040), (5, 2624032), (8, 1640020), (10, 1312016), (16, 820010), (20, 656008), (32, 410005), (40, 328004), (43, 305120), (80, 164002), (86, 152560), (160, 82001), (172, 76280), (215, 61024), (344, 38140), (430, 30512), (688, 19070), (860, 15256), (1376, 9535), (1720, 7628), (1907, 6880), (3440, 3814)]