51351220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1697}}^1$

素因数の和:1812

約数の個数: 48

約数和(自身を含む): 115531920

約数和(自身を除く): 64180700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1697, 1780, 3026, 3394, 6052, 6788, 7565, 8485, 15130, 16970, 28849, 30260, 33940, 57698, 115396, 144245, 151033, 288490, 302066, 576980, 604132, 755165, 1510330, 2567561, 3020660, 5135122, 10270244, 12837805, 25675610, 51351220]

約数ペア:

[(1, 51351220), (2, 25675610), (4, 12837805), (5, 10270244), (10, 5135122), (17, 3020660), (20, 2567561), (34, 1510330), (68, 755165), (85, 604132), (89, 576980), (170, 302066), (178, 288490), (340, 151033), (356, 144245), (445, 115396), (890, 57698), (1513, 33940), (1697, 30260), (1780, 28849), (3026, 16970), (3394, 15130), (6052, 8485), (6788, 7565)]