42120940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1657}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 93590784

約数和(自身を除く): 51469844

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 1657, 2542, 3314, 5084, 6355, 6628, 8285, 12710, 16570, 25420, 33140, 51367, 67937, 102734, 135874, 205468, 256835, 271748, 339685, 513670, 679370, 1027340, 1358740, 2106047, 4212094, 8424188, 10530235, 21060470, 42120940]

約数ペア:

[(1, 42120940), (2, 21060470), (4, 10530235), (5, 8424188), (10, 4212094), (20, 2106047), (31, 1358740), (41, 1027340), (62, 679370), (82, 513670), (124, 339685), (155, 271748), (164, 256835), (205, 205468), (310, 135874), (410, 102734), (620, 67937), (820, 51367), (1271, 33140), (1657, 25420), (2542, 16570), (3314, 12710), (5084, 8285), (6355, 6628)]