26265740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 57153600

約数和(自身を除く): 30887860

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 106, 142, 212, 265, 284, 349, 355, 530, 698, 710, 1060, 1396, 1420, 1745, 3490, 3763, 6980, 7526, 15052, 18497, 18815, 24779, 36994, 37630, 49558, 73988, 75260, 92485, 99116, 123895, 184970, 247790, 369940, 495580, 1313287, 2626574, 5253148, 6566435, 13132870, 26265740]

約数ペア:

[(1, 26265740), (2, 13132870), (4, 6566435), (5, 5253148), (10, 2626574), (20, 1313287), (53, 495580), (71, 369940), (106, 247790), (142, 184970), (212, 123895), (265, 99116), (284, 92485), (349, 75260), (355, 73988), (530, 49558), (698, 37630), (710, 36994), (1060, 24779), (1396, 18815), (1420, 18497), (1745, 15052), (3490, 7526), (3763, 6980)]