769680640

素因数分解:

$2^8\times 5^1\times {\mathrm{601313}}^1$

素因数の和:601334

約数の個数: 36

約数和(自身を含む): 1843628724

約数和(自身を除く): 1073948084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 601313, 1202626, 2405252, 3006565, 4810504, 6013130, 9621008, 12026260, 19242016, 24052520, 38484032, 48105040, 76968064, 96210080, 153936128, 192420160, 384840320, 769680640]

約数ペア:

[(1, 769680640), (2, 384840320), (4, 192420160), (5, 153936128), (8, 96210080), (10, 76968064), (16, 48105040), (20, 38484032), (32, 24052520), (40, 19242016), (64, 12026260), (80, 9621008), (128, 6013130), (160, 4810504), (256, 3006565), (320, 2405252), (640, 1202626), (1280, 601313)]