56478890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{907}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 109831680

約数和(自身を除く): 53352790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 479, 907, 958, 1814, 2395, 4535, 4790, 6227, 9070, 11791, 12454, 23582, 31135, 58955, 62270, 117910, 434453, 868906, 2172265, 4344530, 5647889, 11295778, 28239445, 56478890]

約数ペア:

[(1, 56478890), (2, 28239445), (5, 11295778), (10, 5647889), (13, 4344530), (26, 2172265), (65, 868906), (130, 434453), (479, 117910), (907, 62270), (958, 58955), (1814, 31135), (2395, 23582), (4535, 12454), (4790, 11791), (6227, 9070)]