42002560

素因数分解:

$2^7\times 5^1\times {\mathrm{65629}}^1$

素因数の和:65648

約数の個数: 32

約数和(自身を含む): 100413900

約数和(自身を除く): 58411340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 65629, 131258, 262516, 328145, 525032, 656290, 1050064, 1312580, 2100128, 2625160, 4200256, 5250320, 8400512, 10500640, 21001280, 42002560]

約数ペア:

[(1, 42002560), (2, 21001280), (4, 10500640), (5, 8400512), (8, 5250320), (10, 4200256), (16, 2625160), (20, 2100128), (32, 1312580), (40, 1050064), (64, 656290), (80, 525032), (128, 328145), (160, 262516), (320, 131258), (640, 65629)]