16996720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 43434720

約数和(自身を除く): 26438000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 277, 295, 472, 520, 554, 590, 767, 944, 1040, 1108, 1180, 1385, 1534, 2216, 2360, 2770, 3068, 3601, 3835, 4432, 4720, 5540, 6136, 7202, 7670, 11080, 12272, 14404, 15340, 16343, 18005, 22160, 28808, 30680, 32686, 36010, 57616, 61360, 65372, 72020, 81715, 130744, 144040, 163430, 212459, 261488, 288080, 326860, 424918, 653720, 849836, 1062295, 1307440, 1699672, 2124590, 3399344, 4249180, 8498360, 16996720]

約数ペア:

[(1, 16996720), (2, 8498360), (4, 4249180), (5, 3399344), (8, 2124590), (10, 1699672), (13, 1307440), (16, 1062295), (20, 849836), (26, 653720), (40, 424918), (52, 326860), (59, 288080), (65, 261488), (80, 212459), (104, 163430), (118, 144040), (130, 130744), (208, 81715), (236, 72020), (260, 65372), (277, 61360), (295, 57616), (472, 36010), (520, 32686), (554, 30680), (590, 28808), (767, 22160), (944, 18005), (1040, 16343), (1108, 15340), (1180, 14404), (1385, 12272), (1534, 11080), (2216, 7670), (2360, 7202), (2770, 6136), (3068, 5540), (3601, 4720), (3835, 4432)]