1081141760

素因数分解:

$2^9\times 5^1\times {\mathrm{422321}}^1$

素因数の和:422344

約数の個数: 40

約数和(自身を含む): 2592212436

約数和(自身を除く): 1511070676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 422321, 844642, 1689284, 2111605, 3378568, 4223210, 6757136, 8446420, 13514272, 16892840, 27028544, 33785680, 54057088, 67571360, 108114176, 135142720, 216228352, 270285440, 540570880, 1081141760]

約数ペア:

[(1, 1081141760), (2, 540570880), (4, 270285440), (5, 216228352), (8, 135142720), (10, 108114176), (16, 67571360), (20, 54057088), (32, 33785680), (40, 27028544), (64, 16892840), (80, 13514272), (128, 8446420), (160, 6757136), (256, 4223210), (320, 3378568), (512, 2111605), (640, 1689284), (1280, 844642), (2560, 422321)]