2680016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 5624640

約数和(自身を除く): 2944624

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 167, 236, 272, 334, 472, 668, 944, 1003, 1336, 2006, 2672, 2839, 4012, 5678, 8024, 9853, 11356, 16048, 19706, 22712, 39412, 45424, 78824, 157648, 167501, 335002, 670004, 1340008, 2680016]

約数ペア:

[(1, 2680016), (2, 1340008), (4, 670004), (8, 335002), (16, 167501), (17, 157648), (34, 78824), (59, 45424), (68, 39412), (118, 22712), (136, 19706), (167, 16048), (236, 11356), (272, 9853), (334, 8024), (472, 5678), (668, 4012), (944, 2839), (1003, 2672), (1336, 2006)]