2019688040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{827741}}^1$

素因数の和:827813

約数の個数: 32

約数和(自身を含む): 4618800360

約数和(自身を除く): 2599112320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 827741, 1655482, 3310964, 4138705, 6621928, 8277410, 16554820, 33109640, 50492201, 100984402, 201968804, 252461005, 403937608, 504922010, 1009844020, 2019688040]

約数ペア:

[(1, 2019688040), (2, 1009844020), (4, 504922010), (5, 403937608), (8, 252461005), (10, 201968804), (20, 100984402), (40, 50492201), (61, 33109640), (122, 16554820), (244, 8277410), (305, 6621928), (488, 4138705), (610, 3310964), (1220, 1655482), (2440, 827741)]