42578560

素因数分解:

$2^7\times 5^1\times {\mathrm{66529}}^1$

素因数の和:66548

約数の個数: 32

約数和(自身を含む): 101790900

約数和(自身を除く): 59212340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 66529, 133058, 266116, 332645, 532232, 665290, 1064464, 1330580, 2128928, 2661160, 4257856, 5322320, 8515712, 10644640, 21289280, 42578560]

約数ペア:

[(1, 42578560), (2, 21289280), (4, 10644640), (5, 8515712), (8, 5322320), (10, 4257856), (16, 2661160), (20, 2128928), (32, 1330580), (40, 1064464), (64, 665290), (80, 532232), (128, 332645), (160, 266116), (320, 133058), (640, 66529)]