2045136640

素因数分解:

$2^8\times 5^1\times {\mathrm{1597763}}^1$

素因数の和:1597784

約数の個数: 36

約数和(自身を含む): 4898744424

約数和(自身を除く): 2853607784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1597763, 3195526, 6391052, 7988815, 12782104, 15977630, 25564208, 31955260, 51128416, 63910520, 102256832, 127821040, 204513664, 255642080, 409027328, 511284160, 1022568320, 2045136640]

約数ペア:

[(1, 2045136640), (2, 1022568320), (4, 511284160), (5, 409027328), (8, 255642080), (10, 204513664), (16, 127821040), (20, 102256832), (32, 63910520), (40, 51128416), (64, 31955260), (80, 25564208), (128, 15977630), (160, 12782104), (256, 7988815), (320, 6391052), (640, 3195526), (1280, 1597763)]