25499390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4093}}^1$

素因数の和:4196

約数の個数: 32

約数和(自身を含む): 53058240

約数和(自身を除く): 27558850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 4093, 6230, 8186, 20465, 28651, 40930, 57302, 143255, 286510, 364277, 728554, 1821385, 2549939, 3642770, 5099878, 12749695, 25499390]

約数ペア:

[(1, 25499390), (2, 12749695), (5, 5099878), (7, 3642770), (10, 2549939), (14, 1821385), (35, 728554), (70, 364277), (89, 286510), (178, 143255), (445, 57302), (623, 40930), (890, 28651), (1246, 20465), (3115, 8186), (4093, 6230)]