38780720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 99422208

約数和(自身を除く): 60641488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 254, 347, 440, 508, 635, 694, 880, 1016, 1270, 1388, 1397, 1735, 2032, 2540, 2776, 2794, 3470, 3817, 5080, 5552, 5588, 6940, 6985, 7634, 10160, 11176, 13880, 13970, 15268, 19085, 22352, 27760, 27940, 30536, 38170, 44069, 55880, 61072, 76340, 88138, 111760, 152680, 176276, 220345, 305360, 352552, 440690, 484759, 705104, 881380, 969518, 1762760, 1939036, 2423795, 3525520, 3878072, 4847590, 7756144, 9695180, 19390360, 38780720]

約数ペア:

[(1, 38780720), (2, 19390360), (4, 9695180), (5, 7756144), (8, 4847590), (10, 3878072), (11, 3525520), (16, 2423795), (20, 1939036), (22, 1762760), (40, 969518), (44, 881380), (55, 705104), (80, 484759), (88, 440690), (110, 352552), (127, 305360), (176, 220345), (220, 176276), (254, 152680), (347, 111760), (440, 88138), (508, 76340), (635, 61072), (694, 55880), (880, 44069), (1016, 38170), (1270, 30536), (1388, 27940), (1397, 27760), (1735, 22352), (2032, 19085), (2540, 15268), (2776, 13970), (2794, 13880), (3470, 11176), (3817, 10160), (5080, 7634), (5552, 6985), (5588, 6940)]