520040960

素因数分解:

$2^9\times 5^1\times {\mathrm{203141}}^1$

素因数の和:203164

約数の個数: 40

約数和(自身を含む): 1246885596

約数和(自身を除く): 726844636

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 203141, 406282, 812564, 1015705, 1625128, 2031410, 3250256, 4062820, 6500512, 8125640, 13001024, 16251280, 26002048, 32502560, 52004096, 65005120, 104008192, 130010240, 260020480, 520040960]

約数ペア:

[(1, 520040960), (2, 260020480), (4, 130010240), (5, 104008192), (8, 65005120), (10, 52004096), (16, 32502560), (20, 26002048), (32, 16251280), (40, 13001024), (64, 8125640), (80, 6500512), (128, 4062820), (160, 3250256), (256, 2031410), (320, 1625128), (512, 1015705), (640, 812564), (1280, 406282), (2560, 203141)]