13056640

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:929

約数の個数: 64

約数和(自身を含む): 32607360

約数和(自身を除く): 19550720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 887, 920, 1472, 1774, 1840, 2944, 3548, 3680, 4435, 7096, 7360, 8870, 14192, 14720, 17740, 20401, 28384, 35480, 40802, 56768, 70960, 81604, 102005, 113536, 141920, 163208, 204010, 283840, 326416, 408020, 567680, 652832, 816040, 1305664, 1632080, 2611328, 3264160, 6528320, 13056640]

約数ペア:

[(1, 13056640), (2, 6528320), (4, 3264160), (5, 2611328), (8, 1632080), (10, 1305664), (16, 816040), (20, 652832), (23, 567680), (32, 408020), (40, 326416), (46, 283840), (64, 204010), (80, 163208), (92, 141920), (115, 113536), (128, 102005), (160, 81604), (184, 70960), (230, 56768), (320, 40802), (368, 35480), (460, 28384), (640, 20401), (736, 17740), (887, 14720), (920, 14192), (1472, 8870), (1774, 7360), (1840, 7096), (2944, 4435), (3548, 3680)]