31280540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 69177024

約数和(自身を除く): 37896484

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 370, 410, 740, 820, 1031, 1517, 2062, 3034, 4124, 5155, 6068, 7585, 10310, 15170, 20620, 30340, 38147, 42271, 76294, 84542, 152588, 169084, 190735, 211355, 381470, 422710, 762940, 845420, 1564027, 3128054, 6256108, 7820135, 15640270, 31280540]

約数ペア:

[(1, 31280540), (2, 15640270), (4, 7820135), (5, 6256108), (10, 3128054), (20, 1564027), (37, 845420), (41, 762940), (74, 422710), (82, 381470), (148, 211355), (164, 190735), (185, 169084), (205, 152588), (370, 84542), (410, 76294), (740, 42271), (820, 38147), (1031, 30340), (1517, 20620), (2062, 15170), (3034, 10310), (4124, 7585), (5155, 6068)]