20131438840

素因数分解:

$2^3\times 5^1\times {\mathrm{953}}^1\times {\mathrm{528107}}^1$

素因数の和:529071

約数の個数: 32

約数和(自身を含む): 45343352880

約数和(自身を除く): 25211914040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 953, 1906, 3812, 4765, 7624, 9530, 19060, 38120, 528107, 1056214, 2112428, 2640535, 4224856, 5281070, 10562140, 21124280, 503285971, 1006571942, 2013143884, 2516429855, 4026287768, 5032859710, 10065719420, 20131438840]

約数ペア:

[(1, 20131438840), (2, 10065719420), (4, 5032859710), (5, 4026287768), (8, 2516429855), (10, 2013143884), (20, 1006571942), (40, 503285971), (953, 21124280), (1906, 10562140), (3812, 5281070), (4765, 4224856), (7624, 2640535), (9530, 2112428), (19060, 1056214), (38120, 528107)]