2021849680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{587747}}^1$

素因数の和:587803

約数の個数: 40

約数和(自身を含む): 4810129632

約数和(自身を除く): 2788279952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 587747, 1175494, 2350988, 2938735, 4701976, 5877470, 9403952, 11754940, 23509880, 25273121, 47019760, 50546242, 101092484, 126365605, 202184968, 252731210, 404369936, 505462420, 1010924840, 2021849680]

約数ペア:

[(1, 2021849680), (2, 1010924840), (4, 505462420), (5, 404369936), (8, 252731210), (10, 202184968), (16, 126365605), (20, 101092484), (40, 50546242), (43, 47019760), (80, 25273121), (86, 23509880), (172, 11754940), (215, 9403952), (344, 5877470), (430, 4701976), (688, 2938735), (860, 2350988), (1720, 1175494), (3440, 587747)]