90708640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{51539}}^1$

素因数の和:51565

約数の個数: 48

約数和(自身を含む): 233785440

約数和(自身を除く): 143076800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 51539, 103078, 206156, 257695, 412312, 515390, 566929, 824624, 1030780, 1133858, 1649248, 2061560, 2267716, 2834645, 4123120, 4535432, 5669290, 8246240, 9070864, 11338580, 18141728, 22677160, 45354320, 90708640]

約数ペア:

[(1, 90708640), (2, 45354320), (4, 22677160), (5, 18141728), (8, 11338580), (10, 9070864), (11, 8246240), (16, 5669290), (20, 4535432), (22, 4123120), (32, 2834645), (40, 2267716), (44, 2061560), (55, 1649248), (80, 1133858), (88, 1030780), (110, 824624), (160, 566929), (176, 515390), (220, 412312), (352, 257695), (440, 206156), (880, 103078), (1760, 51539)]