16690720

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1429}}^1$

素因数の和:1517

約数の個数: 48

約数和(自身を含む): 39999960

約数和(自身を除く): 23309240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1429, 1460, 2336, 2858, 2920, 5716, 5840, 7145, 11432, 11680, 14290, 22864, 28580, 45728, 57160, 104317, 114320, 208634, 228640, 417268, 521585, 834536, 1043170, 1669072, 2086340, 3338144, 4172680, 8345360, 16690720]

約数ペア:

[(1, 16690720), (2, 8345360), (4, 4172680), (5, 3338144), (8, 2086340), (10, 1669072), (16, 1043170), (20, 834536), (32, 521585), (40, 417268), (73, 228640), (80, 208634), (146, 114320), (160, 104317), (292, 57160), (365, 45728), (584, 28580), (730, 22864), (1168, 14290), (1429, 11680), (1460, 11432), (2336, 7145), (2858, 5840), (2920, 5716)]