2018809640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1\times {\mathrm{1787}}^1$

素因数の和:2322

約数の個数: 64

約数和(自身を含む): 4629346560

約数和(自身を除く): 2610536920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 463, 488, 610, 926, 1220, 1787, 1852, 2315, 2440, 3574, 3704, 4630, 7148, 8935, 9260, 14296, 17870, 18520, 28243, 35740, 56486, 71480, 109007, 112972, 141215, 218014, 225944, 282430, 436028, 545035, 564860, 827381, 872056, 1090070, 1129720, 1654762, 2180140, 3309524, 4136905, 4360280, 6619048, 8273810, 16547620, 33095240, 50470241, 100940482, 201880964, 252351205, 403761928, 504702410, 1009404820, 2018809640]

約数ペア:

[(1, 2018809640), (2, 1009404820), (4, 504702410), (5, 403761928), (8, 252351205), (10, 201880964), (20, 100940482), (40, 50470241), (61, 33095240), (122, 16547620), (244, 8273810), (305, 6619048), (463, 4360280), (488, 4136905), (610, 3309524), (926, 2180140), (1220, 1654762), (1787, 1129720), (1852, 1090070), (2315, 872056), (2440, 827381), (3574, 564860), (3704, 545035), (4630, 436028), (7148, 282430), (8935, 225944), (9260, 218014), (14296, 141215), (17870, 112972), (18520, 109007), (28243, 71480), (35740, 56486)]