66746560

素因数分解:

$2^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1249}}^1$

素因数の和:1433

約数の個数: 56

約数和(自身を含む): 160020000

約数和(自身を除く): 93273440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 668, 835, 1249, 1336, 1670, 2498, 2672, 3340, 4996, 5344, 6245, 6680, 9992, 10688, 12490, 13360, 19984, 24980, 26720, 39968, 49960, 53440, 79936, 99920, 199840, 208583, 399680, 417166, 834332, 1042915, 1668664, 2085830, 3337328, 4171660, 6674656, 8343320, 13349312, 16686640, 33373280, 66746560]

約数ペア:

[(1, 66746560), (2, 33373280), (4, 16686640), (5, 13349312), (8, 8343320), (10, 6674656), (16, 4171660), (20, 3337328), (32, 2085830), (40, 1668664), (64, 1042915), (80, 834332), (160, 417166), (167, 399680), (320, 208583), (334, 199840), (668, 99920), (835, 79936), (1249, 53440), (1336, 49960), (1670, 39968), (2498, 26720), (2672, 24980), (3340, 19984), (4996, 13360), (5344, 12490), (6245, 10688), (6680, 9992)]