81167900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{653}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 194143824

約数和(自身を除く): 112975924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 113, 220, 226, 275, 452, 550, 565, 653, 1100, 1130, 1243, 1306, 2260, 2486, 2612, 2825, 3265, 4972, 5650, 6215, 6530, 7183, 11300, 12430, 13060, 14366, 16325, 24860, 28732, 31075, 32650, 35915, 62150, 65300, 71830, 73789, 124300, 143660, 147578, 179575, 295156, 359150, 368945, 718300, 737890, 811679, 1475780, 1623358, 1844725, 3246716, 3689450, 4058395, 7378900, 8116790, 16233580, 20291975, 40583950, 81167900]

約数ペア:

[(1, 81167900), (2, 40583950), (4, 20291975), (5, 16233580), (10, 8116790), (11, 7378900), (20, 4058395), (22, 3689450), (25, 3246716), (44, 1844725), (50, 1623358), (55, 1475780), (100, 811679), (110, 737890), (113, 718300), (220, 368945), (226, 359150), (275, 295156), (452, 179575), (550, 147578), (565, 143660), (653, 124300), (1100, 73789), (1130, 71830), (1243, 65300), (1306, 62150), (2260, 35915), (2486, 32650), (2612, 31075), (2825, 28732), (3265, 24860), (4972, 16325), (5650, 14366), (6215, 13060), (6530, 12430), (7183, 11300)]