2699440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 6437088

約数和(自身を除く): 3737648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 823, 1640, 1646, 3280, 3292, 4115, 6584, 8230, 13168, 16460, 32920, 33743, 65840, 67486, 134972, 168715, 269944, 337430, 539888, 674860, 1349720, 2699440]

約数ペア:

[(1, 2699440), (2, 1349720), (4, 674860), (5, 539888), (8, 337430), (10, 269944), (16, 168715), (20, 134972), (40, 67486), (41, 65840), (80, 33743), (82, 32920), (164, 16460), (205, 13168), (328, 8230), (410, 6584), (656, 4115), (820, 3292), (823, 3280), (1640, 1646)]