85081040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1020

約数の個数: 80

約数和(自身を含む): 218021760

約数和(自身を除く): 132940720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 436, 440, 545, 872, 880, 887, 1090, 1199, 1744, 1774, 2180, 2398, 3548, 4360, 4435, 4796, 5995, 7096, 8720, 8870, 9592, 9757, 11990, 14192, 17740, 19184, 19514, 23980, 35480, 39028, 47960, 48785, 70960, 78056, 95920, 96683, 97570, 156112, 193366, 195140, 386732, 390280, 483415, 773464, 780560, 966830, 1063513, 1546928, 1933660, 2127026, 3867320, 4254052, 5317565, 7734640, 8508104, 10635130, 17016208, 21270260, 42540520, 85081040]

約数ペア:

[(1, 85081040), (2, 42540520), (4, 21270260), (5, 17016208), (8, 10635130), (10, 8508104), (11, 7734640), (16, 5317565), (20, 4254052), (22, 3867320), (40, 2127026), (44, 1933660), (55, 1546928), (80, 1063513), (88, 966830), (109, 780560), (110, 773464), (176, 483415), (218, 390280), (220, 386732), (436, 195140), (440, 193366), (545, 156112), (872, 97570), (880, 96683), (887, 95920), (1090, 78056), (1199, 70960), (1744, 48785), (1774, 47960), (2180, 39028), (2398, 35480), (3548, 23980), (4360, 19514), (4435, 19184), (4796, 17740), (5995, 14192), (7096, 11990), (8720, 9757), (8870, 9592)]