42642560

素因数分解:

$2^7\times 5^1\times {\mathrm{66629}}^1$

素因数の和:66648

約数の個数: 32

約数和(自身を含む): 101943900

約数和(自身を除く): 59301340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 66629, 133258, 266516, 333145, 533032, 666290, 1066064, 1332580, 2132128, 2665160, 4264256, 5330320, 8528512, 10660640, 21321280, 42642560]

約数ペア:

[(1, 42642560), (2, 21321280), (4, 10660640), (5, 8528512), (8, 5330320), (10, 4264256), (16, 2665160), (20, 2132128), (32, 1332580), (40, 1066064), (64, 666290), (80, 533032), (128, 333145), (160, 266516), (320, 133258), (640, 66629)]