4286987440

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{491627}}^1$

素因数の和:491749

約数の個数: 40

約数和(自身を含む): 10058708880

約数和(自身を除く): 5771721440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 491627, 983254, 1966508, 2458135, 3933016, 4916270, 7866032, 9832540, 19665080, 39330160, 53587343, 107174686, 214349372, 267936715, 428698744, 535873430, 857397488, 1071746860, 2143493720, 4286987440]

約数ペア:

[(1, 4286987440), (2, 2143493720), (4, 1071746860), (5, 857397488), (8, 535873430), (10, 428698744), (16, 267936715), (20, 214349372), (40, 107174686), (80, 53587343), (109, 39330160), (218, 19665080), (436, 9832540), (545, 7866032), (872, 4916270), (1090, 3933016), (1744, 2458135), (2180, 1966508), (4360, 983254), (8720, 491627)]