26679920

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1997}}^1$

素因数の和:2177

約数の個数: 40

約数和(自身を含む): 62433504

約数和(自身を除く): 35753584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 1997, 2672, 3340, 3994, 6680, 7988, 9985, 13360, 15976, 19970, 31952, 39940, 79880, 159760, 333499, 666998, 1333996, 1667495, 2667992, 3334990, 5335984, 6669980, 13339960, 26679920]

約数ペア:

[(1, 26679920), (2, 13339960), (4, 6669980), (5, 5335984), (8, 3334990), (10, 2667992), (16, 1667495), (20, 1333996), (40, 666998), (80, 333499), (167, 159760), (334, 79880), (668, 39940), (835, 31952), (1336, 19970), (1670, 15976), (1997, 13360), (2672, 9985), (3340, 7988), (3994, 6680)]