77865920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2011}}^1$

素因数の和:2050

約数の個数: 84

約数和(自身を含む): 203908152

約数和(自身を除く): 126042232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1936, 2011, 2420, 3520, 3872, 4022, 4840, 7744, 8044, 9680, 10055, 16088, 19360, 20110, 22121, 32176, 38720, 40220, 44242, 64352, 80440, 88484, 110605, 128704, 160880, 176968, 221210, 243331, 321760, 353936, 442420, 486662, 643520, 707872, 884840, 973324, 1216655, 1415744, 1769680, 1946648, 2433310, 3539360, 3893296, 4866620, 7078720, 7786592, 9733240, 15573184, 19466480, 38932960, 77865920]

約数ペア:

[(1, 77865920), (2, 38932960), (4, 19466480), (5, 15573184), (8, 9733240), (10, 7786592), (11, 7078720), (16, 4866620), (20, 3893296), (22, 3539360), (32, 2433310), (40, 1946648), (44, 1769680), (55, 1415744), (64, 1216655), (80, 973324), (88, 884840), (110, 707872), (121, 643520), (160, 486662), (176, 442420), (220, 353936), (242, 321760), (320, 243331), (352, 221210), (440, 176968), (484, 160880), (605, 128704), (704, 110605), (880, 88484), (968, 80440), (1210, 64352), (1760, 44242), (1936, 40220), (2011, 38720), (2420, 32176), (3520, 22121), (3872, 20110), (4022, 19360), (4840, 16088), (7744, 10055), (8044, 9680)]