2019945160

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{2381}}^1$

素因数の和:2686

約数の個数: 64

約数和(自身を含む): 4610027520

約数和(自身を除く): 2590082360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 167, 254, 334, 508, 635, 668, 835, 1016, 1270, 1336, 1670, 2381, 2540, 3340, 4762, 5080, 6680, 9524, 11905, 19048, 21209, 23810, 42418, 47620, 84836, 95240, 106045, 169672, 212090, 302387, 397627, 424180, 604774, 795254, 848360, 1209548, 1511935, 1590508, 1988135, 2419096, 3023870, 3181016, 3976270, 6047740, 7952540, 12095480, 15905080, 50498629, 100997258, 201994516, 252493145, 403989032, 504986290, 1009972580, 2019945160]

約数ペア:

[(1, 2019945160), (2, 1009972580), (4, 504986290), (5, 403989032), (8, 252493145), (10, 201994516), (20, 100997258), (40, 50498629), (127, 15905080), (167, 12095480), (254, 7952540), (334, 6047740), (508, 3976270), (635, 3181016), (668, 3023870), (835, 2419096), (1016, 1988135), (1270, 1590508), (1336, 1511935), (1670, 1209548), (2381, 848360), (2540, 795254), (3340, 604774), (4762, 424180), (5080, 397627), (6680, 302387), (9524, 212090), (11905, 169672), (19048, 106045), (21209, 95240), (23810, 84836), (42418, 47620)]