2237840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2543}}^1$

素因数の和:2567

約数の個数: 40

約数和(自身を含む): 5678208

約数和(自身を除く): 3440368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2543, 5086, 10172, 12715, 20344, 25430, 27973, 40688, 50860, 55946, 101720, 111892, 139865, 203440, 223784, 279730, 447568, 559460, 1118920, 2237840]

約数ペア:

[(1, 2237840), (2, 1118920), (4, 559460), (5, 447568), (8, 279730), (10, 223784), (11, 203440), (16, 139865), (20, 111892), (22, 101720), (40, 55946), (44, 50860), (55, 40688), (80, 27973), (88, 25430), (110, 20344), (176, 12715), (220, 10172), (440, 5086), (880, 2543)]