81926680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16927}}^1$

素因数の和:16960

約数の個数: 48

約数和(自身を含む): 202628160

約数和(自身を除く): 120701480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 16927, 33854, 67708, 84635, 135416, 169270, 186197, 338540, 372394, 677080, 744788, 930985, 1489576, 1861970, 2048167, 3723940, 4096334, 7447880, 8192668, 10240835, 16385336, 20481670, 40963340, 81926680]

約数ペア:

[(1, 81926680), (2, 40963340), (4, 20481670), (5, 16385336), (8, 10240835), (10, 8192668), (11, 7447880), (20, 4096334), (22, 3723940), (40, 2048167), (44, 1861970), (55, 1489576), (88, 930985), (110, 744788), (121, 677080), (220, 372394), (242, 338540), (440, 186197), (484, 169270), (605, 135416), (968, 84635), (1210, 67708), (2420, 33854), (4840, 16927)]