22784840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 56548800

約数和(自身を除く): 33763960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1019, 1118, 1720, 2038, 2236, 2795, 4076, 4472, 5095, 5590, 8152, 10190, 11180, 13247, 20380, 22360, 26494, 40760, 43817, 52988, 66235, 87634, 105976, 132470, 175268, 219085, 264940, 350536, 438170, 529880, 569621, 876340, 1139242, 1752680, 2278484, 2848105, 4556968, 5696210, 11392420, 22784840]

約数ペア:

[(1, 22784840), (2, 11392420), (4, 5696210), (5, 4556968), (8, 2848105), (10, 2278484), (13, 1752680), (20, 1139242), (26, 876340), (40, 569621), (43, 529880), (52, 438170), (65, 350536), (86, 264940), (104, 219085), (130, 175268), (172, 132470), (215, 105976), (260, 87634), (344, 66235), (430, 52988), (520, 43817), (559, 40760), (860, 26494), (1019, 22360), (1118, 20380), (1720, 13247), (2038, 11180), (2236, 10190), (2795, 8152), (4076, 5590), (4472, 5095)]