54156640

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1249}}^1$

素因数の和:1535

約数の個数: 48

約数和(自身を含む): 128520000

約数和(自身を除く): 74363360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1249, 1355, 2168, 2498, 2710, 4336, 4996, 5420, 6245, 8672, 9992, 10840, 12490, 19984, 21680, 24980, 39968, 43360, 49960, 99920, 199840, 338479, 676958, 1353916, 1692395, 2707832, 3384790, 5415664, 6769580, 10831328, 13539160, 27078320, 54156640]

約数ペア:

[(1, 54156640), (2, 27078320), (4, 13539160), (5, 10831328), (8, 6769580), (10, 5415664), (16, 3384790), (20, 2707832), (32, 1692395), (40, 1353916), (80, 676958), (160, 338479), (271, 199840), (542, 99920), (1084, 49960), (1249, 43360), (1355, 39968), (2168, 24980), (2498, 21680), (2710, 19984), (4336, 12490), (4996, 10840), (5420, 9992), (6245, 8672)]