9890320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11239}}^1$

素因数の和:11263

約数の個数: 40

約数和(自身を含む): 25087680

約数和(自身を除く): 15197360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 11239, 22478, 44956, 56195, 89912, 112390, 123629, 179824, 224780, 247258, 449560, 494516, 618145, 899120, 989032, 1236290, 1978064, 2472580, 4945160, 9890320]

約数ペア:

[(1, 9890320), (2, 4945160), (4, 2472580), (5, 1978064), (8, 1236290), (10, 989032), (11, 899120), (16, 618145), (20, 494516), (22, 449560), (40, 247258), (44, 224780), (55, 179824), (80, 123629), (88, 112390), (110, 89912), (176, 56195), (220, 44956), (440, 22478), (880, 11239)]