25354480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 63370944

約数和(自身を除く): 38016464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 103, 136, 170, 181, 206, 272, 340, 362, 412, 515, 680, 724, 824, 905, 1030, 1360, 1448, 1648, 1751, 1810, 2060, 2896, 3077, 3502, 3620, 4120, 6154, 7004, 7240, 8240, 8755, 12308, 14008, 14480, 15385, 17510, 18643, 24616, 28016, 30770, 35020, 37286, 49232, 61540, 70040, 74572, 93215, 123080, 140080, 149144, 186430, 246160, 298288, 316931, 372860, 633862, 745720, 1267724, 1491440, 1584655, 2535448, 3169310, 5070896, 6338620, 12677240, 25354480]

約数ペア:

[(1, 25354480), (2, 12677240), (4, 6338620), (5, 5070896), (8, 3169310), (10, 2535448), (16, 1584655), (17, 1491440), (20, 1267724), (34, 745720), (40, 633862), (68, 372860), (80, 316931), (85, 298288), (103, 246160), (136, 186430), (170, 149144), (181, 140080), (206, 123080), (272, 93215), (340, 74572), (362, 70040), (412, 61540), (515, 49232), (680, 37286), (724, 35020), (824, 30770), (905, 28016), (1030, 24616), (1360, 18643), (1448, 17510), (1648, 15385), (1751, 14480), (1810, 14008), (2060, 12308), (2896, 8755), (3077, 8240), (3502, 7240), (3620, 7004), (4120, 6154)]