16692040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6841}}^1$

素因数の和:6913

約数の個数: 32

約数和(自身を含む): 38178360

約数和(自身を除く): 21486320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6841, 13682, 27364, 34205, 54728, 68410, 136820, 273640, 417301, 834602, 1669204, 2086505, 3338408, 4173010, 8346020, 16692040]

約数ペア:

[(1, 16692040), (2, 8346020), (4, 4173010), (5, 3338408), (8, 2086505), (10, 1669204), (20, 834602), (40, 417301), (61, 273640), (122, 136820), (244, 68410), (305, 54728), (488, 34205), (610, 27364), (1220, 13682), (2440, 6841)]