99870320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113489}}^1$

素因数の和:113513

約数の個数: 40

約数和(自身を含む): 253309680

約数和(自身を除く): 153439360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 113489, 226978, 453956, 567445, 907912, 1134890, 1248379, 1815824, 2269780, 2496758, 4539560, 4993516, 6241895, 9079120, 9987032, 12483790, 19974064, 24967580, 49935160, 99870320]

約数ペア:

[(1, 99870320), (2, 49935160), (4, 24967580), (5, 19974064), (8, 12483790), (10, 9987032), (11, 9079120), (16, 6241895), (20, 4993516), (22, 4539560), (40, 2496758), (44, 2269780), (55, 1815824), (80, 1248379), (88, 1134890), (110, 907912), (176, 567445), (220, 453956), (440, 226978), (880, 113489)]