12727280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6917}}^1$

素因数の和:6953

約数の個数: 40

約数和(自身を含む): 30881952

約数和(自身を除く): 18154672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 6917, 13834, 27668, 34585, 55336, 69170, 110672, 138340, 159091, 276680, 318182, 553360, 636364, 795455, 1272728, 1590910, 2545456, 3181820, 6363640, 12727280]

約数ペア:

[(1, 12727280), (2, 6363640), (4, 3181820), (5, 2545456), (8, 1590910), (10, 1272728), (16, 795455), (20, 636364), (23, 553360), (40, 318182), (46, 276680), (80, 159091), (92, 138340), (115, 110672), (184, 69170), (230, 55336), (368, 34585), (460, 27668), (920, 13834), (1840, 6917)]