78827440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42841}}^1$

素因数の和:42877

約数の個数: 40

約数和(自身を含む): 191246688

約数和(自身を除く): 112419248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 42841, 85682, 171364, 214205, 342728, 428410, 685456, 856820, 985343, 1713640, 1970686, 3427280, 3941372, 4926715, 7882744, 9853430, 15765488, 19706860, 39413720, 78827440]

約数ペア:

[(1, 78827440), (2, 39413720), (4, 19706860), (5, 15765488), (8, 9853430), (10, 7882744), (16, 4926715), (20, 3941372), (23, 3427280), (40, 1970686), (46, 1713640), (80, 985343), (92, 856820), (115, 685456), (184, 428410), (230, 342728), (368, 214205), (460, 171364), (920, 85682), (1840, 42841)]