26457040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7691}}^1$

素因数の和:7747

約数の個数: 40

約数和(自身を含む): 62951328

約数和(自身を除く): 36494288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 7691, 15382, 30764, 38455, 61528, 76910, 123056, 153820, 307640, 330713, 615280, 661426, 1322852, 1653565, 2645704, 3307130, 5291408, 6614260, 13228520, 26457040]

約数ペア:

[(1, 26457040), (2, 13228520), (4, 6614260), (5, 5291408), (8, 3307130), (10, 2645704), (16, 1653565), (20, 1322852), (40, 661426), (43, 615280), (80, 330713), (86, 307640), (172, 153820), (215, 123056), (344, 76910), (430, 61528), (688, 38455), (860, 30764), (1720, 15382), (3440, 7691)]