8541640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11239}}^1$

素因数の和:11269

約数の個数: 32

約数和(自身を含む): 20232000

約数和(自身を除く): 11690360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 11239, 22478, 44956, 56195, 89912, 112390, 213541, 224780, 427082, 449560, 854164, 1067705, 1708328, 2135410, 4270820, 8541640]

約数ペア:

[(1, 8541640), (2, 4270820), (4, 2135410), (5, 1708328), (8, 1067705), (10, 854164), (19, 449560), (20, 427082), (38, 224780), (40, 213541), (76, 112390), (95, 89912), (152, 56195), (190, 44956), (380, 22478), (760, 11239)]