55297040

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4139}}^1$

素因数の和:4319

約数の個数: 40

約数和(自身を含む): 129366720

約数和(自身を除く): 74069680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 4139, 6680, 8278, 13360, 16556, 20695, 33112, 41390, 66224, 82780, 165560, 331120, 691213, 1382426, 2764852, 3456065, 5529704, 6912130, 11059408, 13824260, 27648520, 55297040]

約数ペア:

[(1, 55297040), (2, 27648520), (4, 13824260), (5, 11059408), (8, 6912130), (10, 5529704), (16, 3456065), (20, 2764852), (40, 1382426), (80, 691213), (167, 331120), (334, 165560), (668, 82780), (835, 66224), (1336, 41390), (1670, 33112), (2672, 20695), (3340, 16556), (4139, 13360), (6680, 8278)]