66147520

素因数分解:

$2^6\times 5^1\times {\mathrm{421}}^1\times {\mathrm{491}}^1$

素因数の和:929

約数の個数: 56

約数和(自身を含む): 158209488

約数和(自身を除く): 92061968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 421, 491, 842, 982, 1684, 1964, 2105, 2455, 3368, 3928, 4210, 4910, 6736, 7856, 8420, 9820, 13472, 15712, 16840, 19640, 26944, 31424, 33680, 39280, 67360, 78560, 134720, 157120, 206711, 413422, 826844, 1033555, 1653688, 2067110, 3307376, 4134220, 6614752, 8268440, 13229504, 16536880, 33073760, 66147520]

約数ペア:

[(1, 66147520), (2, 33073760), (4, 16536880), (5, 13229504), (8, 8268440), (10, 6614752), (16, 4134220), (20, 3307376), (32, 2067110), (40, 1653688), (64, 1033555), (80, 826844), (160, 413422), (320, 206711), (421, 157120), (491, 134720), (842, 78560), (982, 67360), (1684, 39280), (1964, 33680), (2105, 31424), (2455, 26944), (3368, 19640), (3928, 16840), (4210, 15712), (4910, 13472), (6736, 9820), (7856, 8420)]