2552540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 5806080

約数和(自身を除く): 3253540

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 179, 230, 310, 358, 460, 620, 713, 716, 895, 1426, 1790, 2852, 3565, 3580, 4117, 5549, 7130, 8234, 11098, 14260, 16468, 20585, 22196, 27745, 41170, 55490, 82340, 110980, 127627, 255254, 510508, 638135, 1276270, 2552540]

約数ペア:

[(1, 2552540), (2, 1276270), (4, 638135), (5, 510508), (10, 255254), (20, 127627), (23, 110980), (31, 82340), (46, 55490), (62, 41170), (92, 27745), (115, 22196), (124, 20585), (155, 16468), (179, 14260), (230, 11098), (310, 8234), (358, 7130), (460, 5549), (620, 4117), (713, 3580), (716, 3565), (895, 2852), (1426, 1790)]