38447720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^3\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 91584000

約数和(自身を除く): 53136280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 395, 460, 529, 632, 790, 920, 1058, 1580, 1817, 2116, 2645, 3160, 3634, 4232, 5290, 7268, 9085, 10580, 12167, 14536, 18170, 21160, 24334, 36340, 41791, 48668, 60835, 72680, 83582, 97336, 121670, 167164, 208955, 243340, 334328, 417910, 486680, 835820, 961193, 1671640, 1922386, 3844772, 4805965, 7689544, 9611930, 19223860, 38447720]

約数ペア:

[(1, 38447720), (2, 19223860), (4, 9611930), (5, 7689544), (8, 4805965), (10, 3844772), (20, 1922386), (23, 1671640), (40, 961193), (46, 835820), (79, 486680), (92, 417910), (115, 334328), (158, 243340), (184, 208955), (230, 167164), (316, 121670), (395, 97336), (460, 83582), (529, 72680), (632, 60835), (790, 48668), (920, 41791), (1058, 36340), (1580, 24334), (1817, 21160), (2116, 18170), (2645, 14536), (3160, 12167), (3634, 10580), (4232, 9085), (5290, 7268)]