28297280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8039}}^1$

素因数の和:8067

約数の個数: 56

約数和(自身を含む): 73517760

約数和(自身を除く): 45220480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 8039, 16078, 32156, 40195, 64312, 80390, 88429, 128624, 160780, 176858, 257248, 321560, 353716, 442145, 514496, 643120, 707432, 884290, 1286240, 1414864, 1768580, 2572480, 2829728, 3537160, 5659456, 7074320, 14148640, 28297280]

約数ペア:

[(1, 28297280), (2, 14148640), (4, 7074320), (5, 5659456), (8, 3537160), (10, 2829728), (11, 2572480), (16, 1768580), (20, 1414864), (22, 1286240), (32, 884290), (40, 707432), (44, 643120), (55, 514496), (64, 442145), (80, 353716), (88, 321560), (110, 257248), (160, 176858), (176, 160780), (220, 128624), (320, 88429), (352, 80390), (440, 64312), (704, 40195), (880, 32156), (1760, 16078), (3520, 8039)]