2159647520

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{123833}}^1$

素因数の和:123957

約数の個数: 48

約数和(自身を含む): 5149017720

約数和(自身を除く): 2989370200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 17440, 123833, 247666, 495332, 619165, 990664, 1238330, 1981328, 2476660, 3962656, 4953320, 9906640, 13497797, 19813280, 26995594, 53991188, 67488985, 107982376, 134977970, 215964752, 269955940, 431929504, 539911880, 1079823760, 2159647520]

約数ペア:

[(1, 2159647520), (2, 1079823760), (4, 539911880), (5, 431929504), (8, 269955940), (10, 215964752), (16, 134977970), (20, 107982376), (32, 67488985), (40, 53991188), (80, 26995594), (109, 19813280), (160, 13497797), (218, 9906640), (436, 4953320), (545, 3962656), (872, 2476660), (1090, 1981328), (1744, 1238330), (2180, 990664), (3488, 619165), (4360, 495332), (8720, 247666), (17440, 123833)]